Browse Standards J4501
WIP 2023-03-13

Connected Intersections (CI) Implementation Guide v2.0 J4501

This document is an update of the Connected Transportation Interoperability (CTI) 4501 - Connected Intersections (CI) Implementation Guide v1.01. The existing document defines minimum requirements and provides guidance for nationally interoperable connected intersections that support interoperable applications for signalized intersections. The document will update and enhance guidance for: - required CI capabilities for infrastructure devices, including J2735 SPaT and MAP messages, and to provide signal timing assurance - providing positioning information by infrastructure devices - providing assurance of security for infrastructure devices - documenting systems integration considerations
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This Standard is currently a WIP.