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Office of the Assistant Secretary for Research and Technology
ITS Joint Program Office

ARC-IT Version 9.0
In November 2020, the US DOT released an update to the ITS architecture reference and toolsets including new services, communications solutions, and objects.

In March 2021, the US DOT released updates to ARC-IT tools:

  • Regional Architecture Development for Intelligent Transportation (RAD-IT)
  • Systems Engineering Tool for Intelligent Transportation (SET-IT)

In August 2021, V2I cybersecurity controls are integrated into ITS architecture reference: Controls informed by NIST and ISO guidance have been integrated into ARC-IT.

New Standards from SAE

Connected Vehicle Standards

See a list of standards used in connected vehicle applications.

Deployment Tools
Test Procedure Generator (TPG)
TPG v3 automates the development of test procedures for NTCIP standards.
Center to Center (C2C) Reference Implementation (RI) Tool
C2C RI Tool verifies conformance to C2C standards.