This solution is used within the U.S.. It combines standards associated with US: GTFS static with those for I–I: Secure Internet (ITS). The US: GTFS static standards include upper–layer standards required to implement static, public, transit–related communications. The I–I: Secure Internet (ITS) standards include lower–layer standards that support secure communications between ITS equipment using X.509 or IEEE 1609.2 security certificates.
| Level | DocNum | FullName | Description |
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| ITS Application Entity | GTFS | General Transit Feed Specification | This document defines a common (open data) format for exchanging public transportation schedules and associated geographic information. |
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| Facilities | IETF RFC 7230 | Hypertext Transfer Protocol (HTTP/1.1): Message Syntax and Routing | This standard (RFC) defines the main Application Layer protocol used for the world–wide web. |
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| Facilities | ISO 21320–1 | Information technology — Document Container File — Part 1: Core | ISO/IEC 21320–1 specifies the core requirements for 1) document container files, and 2) implementations that produce and/or consume document container files. It normatively references the Zip File Format Specification version 6.3.3 of PKWARE(R) Inc. Document container files are conforming Zip files as specified by that document. |
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| Facilities | IETF RFC 4180 | Common Format and MIME Type for Comma–Separated Values (CSV) Files | This standard (RFC) documents the format used for Comma–Separated Values (CSV) files and registers the associated MIME type "text/csv". |
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| Access | | Internet Subnet Alternatives | A set of alternative standards that includes any Subnet Layer method of connecting to the Internet. |
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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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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | SORTA Riverfront Transit Center=>transit and fare schedules=>Cincinnati Public Information Office |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | School District Dispatch=>transit and fare schedules=>ODOT / KYTC Traveler Information System |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | School District Dispatch=>transit and fare schedules=>INDOT Traveler Information System |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | Local Transit Systems=>transit and fare schedules=>ODOT / KYTC Traveler Information System |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | CTC Transit Dispatch=>transit and fare schedules=>ODOT / KYTC Traveler Information System |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | BCRTA Transit System Dispatch=>transit and fare schedules=>ODOT / KYTC Traveler Information System |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | University of Cincinnati Shuttle Dispatch=>transit and fare schedules=>Private Traveler Information Systems |
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| Data not fully defined (medium) | Medium | Some of the data elements for this information flow are not fully defined. | (None) | SORTA Transit Dispatch Center=>transit and fare schedules=>Cincinnati Public Information Office |
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| Performance not fully defined (medium) | Medium | The performance rules are not fully defined for this information flow. | (None) | (All) |
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| Secure data access not provided | Medium | The solution does not define rules on how the application entity authenticates requests to accept or provide data. | (None) | (All) |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | The Banks Intermodal Center=>alternate mode service data=>Local Transit Systems |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | The Banks Intermodal Center=>alternate mode service data=>SORTA Transit Dispatch Center |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | The Banks Intermodal Center=>alternate mode service data=>CTC Transit Dispatch |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | The Banks Intermodal Center=>alternate mode service data=>BCRTA Transit System Dispatch |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | Regional Airports=>alternate mode service data=>TANK Transit System Dispatch |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | Regional Airports=>alternate mode service data=>SORTA Transit Dispatch Center |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | Regional Airports=>alternate mode service data=>TANK Traveler Information System |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | Regional Airports=>alternate mode service data=>Local Transit Systems |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | Regional Airports=>alternate mode service data=>CTC Transit Dispatch |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | Regional Airports=>alternate mode service data=>BCRTA Transit System Dispatch |
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| Use case not considered in design (medium) | Medium | While the indicated standards nominally address the information flow, the design may not meet practical constraints because this particular use case was not the focus of the design effort. | (None) | The Banks Intermodal Center=>alternate mode service data=>TANK Transit System Dispatch |
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| Not a standard (minor) | Low | The document is publicly available and widely used but it is not currently a formal standard. | General Transit Feed Specification | (All) |
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| Source | Destination | Flow |
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| BCRTA Transit System Dispatch | BCRTA Traveler Information System | transit fare information |
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| BCRTA Transit System Dispatch | CTC Transit Dispatch | transit fare coordination |
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| BCRTA Transit System Dispatch | Local Transit Systems | transit fare coordination |
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| BCRTA Transit System Dispatch | ODOT / KYTC Traveler Information System | transit and fare schedules |
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| BCRTA Transit System Dispatch | Regional Airports | transit alternate mode information |
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| BCRTA Transit System Dispatch | SORTA Transit Dispatch Center | transit fare coordination |
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| BCRTA Transit System Dispatch | The Banks Intermodal Center | transit alternate mode information |
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| BCRTA Traveler Information System | BCRTA Transit System Dispatch | transit fare request |
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| CTC Transit Dispatch | ODOT / KYTC Traveler Information System | transit and fare schedules |
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| CTC Transit Dispatch | Regional Airports | transit alternate mode information |
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| CTC Transit Dispatch | The Banks Intermodal Center | transit alternate mode information |
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| Local Transit Systems | ODOT / KYTC Traveler Information System | transit and fare schedules |
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| Local Transit Systems | Regional Airports | transit alternate mode information |
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| Local Transit Systems | The Banks Intermodal Center | transit alternate mode information |
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| Regional Airports | BCRTA Transit System Dispatch | alternate mode service data |
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| Regional Airports | CTC Transit Dispatch | alternate mode service data |
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| Regional Airports | Local Transit Systems | alternate mode service data |
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| Regional Airports | SORTA Transit Dispatch Center | alternate mode service data |
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| Regional Airports | TANK Transit System Dispatch | alternate mode service data |
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| Regional Airports | TANK Traveler Information System | alternate mode service data |
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| School District Dispatch | INDOT Traveler Information System | transit and fare schedules |
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| School District Dispatch | ODOT / KYTC Traveler Information System | transit and fare schedules |
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| SORTA Riverfront Transit Center | Cincinnati Public Information Office | transit and fare schedules |
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| SORTA Transit Dispatch Center | Cincinnati Public Information Office | transit and fare schedules |
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| SORTA Transit Dispatch Center | Regional Airports | transit alternate mode information |
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| SORTA Transit Dispatch Center | SORTA Riverfront Transit Center | transit fare coordination |
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| SORTA Transit Dispatch Center | SORTA Traveler Information System | transit fare information |
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| SORTA Transit Dispatch Center | The Banks Intermodal Center | transit alternate mode information |
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| SORTA Traveler Information System | SORTA Transit Dispatch Center | transit fare request |
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| TANK Transit System Dispatch | Regional Airports | transit alternate mode information |
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| TANK Transit System Dispatch | TANK Traveler Information System | transit fare information |
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| TANK Transit System Dispatch | The Banks Intermodal Center | transit alternate mode information |
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| TANK Traveler Information System | TANK Transit System Dispatch | transit fare request |
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| The Banks Intermodal Center | BCRTA Transit System Dispatch | alternate mode service data |
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| The Banks Intermodal Center | CTC Transit Dispatch | alternate mode service data |
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| The Banks Intermodal Center | Local Transit Systems | alternate mode service data |
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| The Banks Intermodal Center | SORTA Transit Dispatch Center | alternate mode service data |
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| The Banks Intermodal Center | TANK Transit System Dispatch | alternate mode service data |
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| University of Cincinnati Shuttle Dispatch | Private Traveler Information Systems | transit and fare schedules |
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