This solution is used within the U.S.. It combines standards associated with US: NTCIP Warning Device with those for I–F: SNMPv3/TLS. The US: NTCIP Warning Device standards include a composite of upper–layer standards that support monitoring for unsafe traffic activities and displaying warning to drivers. The I–F: SNMPv3/TLS standards include lower–layer standards that support secure center–to–field and field–to–field communications using simple network management protocol (SNMPv3); implementations are strongly encouraged to use the TLS for SNMP security option for this solution to ensure adequate security.
One significant or possibly a couple minor issues. For existing deployments, the chosen solution likely has identified security or management issues not addressed by the communications solution. Deployers should consider additional security measures, such as communications link and physical security as part of these solutions. They should also review the management issues to see if they are relevant to their deployment and would require mitigation. For new deployments, the deployment efforts should consider a path to addressing these issues as a part of their design activities. The solution does not by itself provide a fully secure implementation without additional work.
| Issue | Severity | Description | Associated Standard | Associated Triple |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | City and County Field Equipment=>work zone warning status=>Other City and County Maintenance Dispatch Facilities |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | Cincinnati Field Equipment=>work zone warning status=>Cincinnati Public Services Department |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | Hamilton County Field Equipment=>work zone warning status=>Hamilton County Maintenance Division |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | ODOT Dynamic Message Signs=>lane management information=>ODOT ATMS |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | ODOT Workzone Safety Devices=>work zone warning status=>ODOT District 8 Maintenance Garages |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | KYTC Dynamic Message Signs=>lane management information=>KYTC District 6 Traffic Operations Center |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | KYTC Dynamic Message Signs=>lane management information=>TRIMARC (KYTC) |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | INDOT Dynamic Message Signs=>lane management information=>INDOT Traffic Operations Center |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | ODOT Lane Control Devices=>lane management information=>ODOT ATMS |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | INDOT Lane Control Devices=>lane management information=>INDOT Traffic Operations Center |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | KYTC Lane Control Devices=>lane management information=>TRIMARC (KYTC) |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | INDOT Field Equipment=>work zone warning status=>INDOT Seymour District Maintenance Garages |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | ODOT District 8 Field Equipment=>work zone warning status=>ODOT District 8 Maintenance Garages |
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| Use case not considered in design (critical) | High | While the indicated standards nominally address the information flow, the design details may not meet performance or other requirements because this particular use case was not the focus of the design effort. | (None) | KYTC District 6 Field Equipment=>work zone warning status=>KYTC District 6 Maintenance Operations |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Field Equipment=>speed monitoring information=>ODOT District 8 Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Cincinnati Public Services Department=>work zone warning device control=>Cincinnati Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Ohio State Highway Patrol Posts=>speed monitoring control=>ODOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KSP Troop Posts=>speed monitoring control=>KYTC Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | City and County Field Equipment=>work zone warning status=>Other City and County Maintenance Dispatch Facilities |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | City and County Maintenance Operations=>work zone warning device control=>City and County Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Other ODOT Traffic Operations Center=>speed monitoring control=>ODOT District 8 Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Traffic Operations Center=>speed monitoring control=>INDOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT Workzone Safety Devices=>work zone warning status=>ODOT District 8 Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Field Equipment=>work zone warning status=>ODOT District 8 Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Hamilton County Field Equipment=>work zone warning status=>Hamilton County Maintenance Division |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Maintenance Garages=>speed monitoring control=>ODOT District 8 Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Traffic Operations Center=>speed monitoring control=>INDOT Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Field Equipment=>work zone warning status=>KYTC District 6 Maintenance Operations |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Field Equipment=>speed monitoring information=>KYTC District 6 Maintenance Operations |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Field Equipment=>speed monitoring information=>KYTC District 6 Traffic Operations Center |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Hamilton County Maintenance Division=>work zone warning device control=>Hamilton County Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Cincinnati Field Equipment=>work zone warning status=>Cincinnati Public Services Department |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Signal Operations=>speed monitoring control=>ODOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Field Equipment=>speed monitoring information=>ODOT District 8 Signal Operations |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Maintenance Garages=>speed monitoring control=>ODOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Speed Monitoring Roadside Equipment=>speed monitoring information=>Indiana State Police Posts |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Maintenance Operations=>speed monitoring control=>KYTC Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Maintenance Operations=>speed monitoring control=>KYTC District 6 Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Traffic Operations Center=>speed monitoring control=>KYTC Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Traffic Operations Center=>speed monitoring control=>KYTC District 6 Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Signal Operations=>speed monitoring control=>ODOT District 8 Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC Speed Monitoring Roadside Equipment=>speed monitoring information=>TRIMARC (KYTC) |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Field Equipment=>work zone warning status=>INDOT Seymour District Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Field Equipment=>speed monitoring information=>INDOT Seymour District Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Field Equipment=>speed monitoring information=>INDOT Traffic Operations Center |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | TRIMARC (KYTC)=>speed monitoring control=>KYTC Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Indiana State Police Posts=>speed monitoring control=>INDOT Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Indiana State Police Posts=>speed monitoring control=>INDOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC District 6 Maintenance Garages=>speed monitoring control=>KYTC Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Seymour District Maintenance Garages=>speed monitoring control=>INDOT Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Seymour District Maintenance Garages=>speed monitoring control=>INDOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Other City and County Maintenance Dispatch Facilities=>work zone warning device control=>City and County Field Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Speed Monitoring Roadside Equipment=>speed monitoring information=>INDOT Traffic Operations Center |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT ATMS=>speed monitoring control=>ODOT Speed Monitoring Roadside Equipment |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT District 8 Field Equipment=>speed monitoring information=>Other ODOT Traffic Operations Center |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC Speed Monitoring Roadside Equipment=>speed monitoring information=>KYTC District 6 Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC Speed Monitoring Roadside Equipment=>speed monitoring information=>KSP Troop Posts |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC Speed Monitoring Roadside Equipment=>speed monitoring information=>KYTC District 6 Maintenance Operations |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | KYTC Speed Monitoring Roadside Equipment=>speed monitoring information=>KYTC District 6 Traffic Operations Center |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | INDOT Speed Monitoring Roadside Equipment=>speed monitoring information=>INDOT Seymour District Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT Speed Monitoring Roadside Equipment=>speed monitoring information=>ODOT ATMS |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT Speed Monitoring Roadside Equipment=>speed monitoring information=>Ohio State Highway Patrol Posts |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT Speed Monitoring Roadside Equipment=>speed monitoring information=>ODOT District 8 Signal Operations |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | ODOT Speed Monitoring Roadside Equipment=>speed monitoring information=>ODOT District 8 Maintenance Garages |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Other City and County Maintenance Dispatch Facilities=>work zone warning device control=>Cincinnati Field Equipment |
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| Out of date (medium) | Medium | The standard includes normative references to other standards that have been subject to significant changes that can impact interoperability or security of systems and the industry has not specified if and how these updates should be implemented for deployments of this standard. | IETF RFC 6353 TLS for SNMP | (All) |
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| Update data to SNMPv3 | Low | Data has been defined for SNMPv1, but needs to be updated to SNMPv3 format. | (None) | (All) |
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| Use TLS for SNMP Option | Low | The standard allows for multiple security mechanisms. The only defined mechanism that meets the requirements for C–ITS is the one based on TLS. | (None) | (All) |
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| Source | Destination | Flow |
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| Cincinnati Field Equipment | Cincinnati Public Services Department | work zone warning status |
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| Cincinnati Field Equipment | Cincinnati Traffic Control Center | roadway warning system status |
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| Cincinnati Public Services Department | Cincinnati Field Equipment | work zone warning device control |
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| Cincinnati Traffic Control Center | Cincinnati Field Equipment | roadway warning system control |
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| City and County Field Equipment | City and County Traffic Control Center | roadway warning system status |
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| City and County Field Equipment | Other City and County Maintenance Dispatch Facilities | work zone warning status |
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| City and County Field Equipment | Other City and County Traffic Control Centers | roadway warning system status |
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| City and County Maintenance Operations | City and County Field Equipment | work zone warning device control |
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| City and County Traffic Control Center | City and County Field Equipment | roadway warning system control |
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| Hamilton County Field Equipment | Hamilton County Maintenance Division | work zone warning status |
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| Hamilton County Field Equipment | Hamilton County Signal Operations | roadway warning system status |
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| Hamilton County Maintenance Division | Hamilton County Field Equipment | work zone warning device control |
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| Hamilton County Signal Operations | Hamilton County Field Equipment | roadway warning system control |
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| Indiana State Police Posts | INDOT Field Equipment | speed monitoring control |
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| Indiana State Police Posts | INDOT Speed Monitoring Roadside Equipment | speed monitoring control |
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| INDOT Dynamic Message Signs | INDOT Traffic Operations Center | lane management information |
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| INDOT Dynamic Message Signs | INDOT Traffic Operations Center | roadway warning system status |
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| INDOT Field Equipment | INDOT Seymour District Maintenance Garages | speed monitoring information |
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| INDOT Field Equipment | INDOT Seymour District Maintenance Garages | work zone warning status |
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| INDOT Field Equipment | INDOT Traffic Operations Center | speed monitoring information |
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| INDOT Lane Control Devices | INDOT Traffic Operations Center | lane management information |
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| INDOT Seymour District Maintenance Garages | INDOT Field Equipment | speed monitoring control |
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| INDOT Seymour District Maintenance Garages | INDOT Speed Monitoring Roadside Equipment | speed monitoring control |
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| INDOT Speed Monitoring Roadside Equipment | Indiana State Police Posts | speed monitoring information |
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| INDOT Speed Monitoring Roadside Equipment | INDOT Seymour District Maintenance Garages | speed monitoring information |
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| INDOT Speed Monitoring Roadside Equipment | INDOT Traffic Operations Center | speed monitoring information |
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| INDOT Traffic Operations Center | INDOT Dynamic Message Signs | roadway warning system control |
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| INDOT Traffic Operations Center | INDOT Field Equipment | speed monitoring control |
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| INDOT Traffic Operations Center | INDOT Speed Monitoring Roadside Equipment | speed monitoring control |
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| KSP Troop Posts | KYTC Speed Monitoring Roadside Equipment | speed monitoring control |
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| KYTC District 6 Field Equipment | KYTC District 6 Maintenance Operations | speed monitoring information |
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| KYTC District 6 Field Equipment | KYTC District 6 Maintenance Operations | work zone warning status |
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| KYTC District 6 Field Equipment | KYTC District 6 Traffic Operations Center | speed monitoring information |
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| KYTC District 6 Maintenance Garages | KYTC Speed Monitoring Roadside Equipment | speed monitoring control |
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| KYTC District 6 Maintenance Operations | KYTC District 6 Field Equipment | speed monitoring control |
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| KYTC District 6 Maintenance Operations | KYTC Speed Monitoring Roadside Equipment | speed monitoring control |
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| KYTC District 6 Traffic Operations Center | KYTC District 6 Field Equipment | speed monitoring control |
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| KYTC District 6 Traffic Operations Center | KYTC Speed Monitoring Roadside Equipment | speed monitoring control |
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| KYTC District 6 Traffic Operations Center | ODOT / KYTC Connected Vehicle Roadside Equipment | roadway warning system control |
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| KYTC Dynamic Message Signs | KYTC District 6 Traffic Operations Center | lane management information |
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| KYTC Dynamic Message Signs | KYTC District 6 Traffic Operations Center | roadway warning system status |
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| KYTC Dynamic Message Signs | TRIMARC (KYTC) | lane management information |
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| KYTC Dynamic Message Signs | TRIMARC (KYTC) | roadway warning system status |
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| KYTC Lane Control Devices | TRIMARC (KYTC) | lane management information |
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| KYTC Speed Monitoring Roadside Equipment | KSP Troop Posts | speed monitoring information |
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| KYTC Speed Monitoring Roadside Equipment | KYTC District 6 Maintenance Garages | speed monitoring information |
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| KYTC Speed Monitoring Roadside Equipment | KYTC District 6 Maintenance Operations | speed monitoring information |
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| KYTC Speed Monitoring Roadside Equipment | KYTC District 6 Traffic Operations Center | speed monitoring information |
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| KYTC Speed Monitoring Roadside Equipment | TRIMARC (KYTC) | speed monitoring information |
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| ODOT ATMS | ODOT Dynamic Message Signs | roadway warning system control |
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| ODOT ATMS | ODOT Speed Monitoring Roadside Equipment | speed monitoring control |
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| ODOT District 8 Field Equipment | ODOT District 8 Maintenance Garages | speed monitoring information |
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| ODOT District 8 Field Equipment | ODOT District 8 Maintenance Garages | work zone warning status |
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| ODOT District 8 Field Equipment | ODOT District 8 Signal Operations | speed monitoring information |
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| ODOT District 8 Field Equipment | Other ODOT Traffic Operations Center | speed monitoring information |
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| ODOT District 8 Maintenance Garages | ODOT District 8 Field Equipment | speed monitoring control |
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| ODOT District 8 Maintenance Garages | ODOT Speed Monitoring Roadside Equipment | speed monitoring control |
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| ODOT District 8 Signal Operations | ODOT District 8 Field Equipment | speed monitoring control |
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| ODOT District 8 Signal Operations | ODOT Speed Monitoring Roadside Equipment | speed monitoring control |
|---|
| ODOT Dynamic Message Signs | ODOT ATMS | lane management information |
|---|
| ODOT Dynamic Message Signs | ODOT ATMS | roadway warning system status |
|---|
| ODOT Lane Control Devices | ODOT ATMS | lane management information |
|---|
| ODOT Speed Monitoring Roadside Equipment | ODOT ATMS | speed monitoring information |
|---|
| ODOT Speed Monitoring Roadside Equipment | ODOT District 8 Maintenance Garages | speed monitoring information |
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| ODOT Speed Monitoring Roadside Equipment | ODOT District 8 Signal Operations | speed monitoring information |
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| ODOT Speed Monitoring Roadside Equipment | Ohio State Highway Patrol Posts | speed monitoring information |
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| ODOT Workzone Safety Devices | ODOT District 8 Maintenance Garages | work zone warning status |
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| Ohio State Highway Patrol Posts | ODOT Speed Monitoring Roadside Equipment | speed monitoring control |
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| Other City and County Maintenance Dispatch Facilities | Cincinnati Field Equipment | work zone warning device control |
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| Other City and County Maintenance Dispatch Facilities | City and County Field Equipment | work zone warning device control |
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| Other City and County Traffic Control Centers | City and County Field Equipment | roadway warning system control |
|---|
| Other ODOT Traffic Operations Center | ODOT District 8 Field Equipment | speed monitoring control |
|---|
| TRIMARC (KYTC) | KYTC Dynamic Message Signs | roadway warning system control |
|---|
| TRIMARC (KYTC) | KYTC Speed Monitoring Roadside Equipment | speed monitoring control |
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