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

ITS Standards


ITS Standards have been developed for many of the architecture flows in the National ITS Architecture. Click on the standard(s) to view the architecture flows and their communication requirements. More...

NTCIP 2103 Point-to-Point Protocol Over RS-232 Subnetwork Profile
A subnetwork profile that defines requirements for the data link and physical layers of a communications stack. It specifies the rules and procedures for using the point-to-point protocol over RS-232 related circuits. The intent is to provide an interoperability standard for transportation-related devices that communicate over dial-up circuits. (Formerly TS 3.SP-PPP/RS232)
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For more information on how to obtain standards: Phone: N/A
Jointly approved and published NTCIP standards are available for free download for 12 months through FHWA-sponsored special offer. More information is available at: Phone: 877-413-5184 Phone: 202-289-0222 ext. 130

Current Published Version: Version 2, Published in Dec 2008

Previous Development Activity: Version 1: Published (Feb 2006)

National ITS Architecture