SAE J-Standards (Ground Vehicle Standards)

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  • Minimum Requirements to Support Traffic Signal Priority and Preemption

    Standard [CURRENT] 2025-11-20

    SAE J 2945/B:2025-11-20

    Minimum Requirements to Support Traffic Signal Priority and Preemption

    When identifying the content of this report, one of the goals was that it supports a nationally interoperable method for connected vehicles (CVs) to make traffic signal priority and/or preemption ...

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  • Minimum Requirements to Support Traffic Signal Priority and Preemption™ ASN File

    Standard [CURRENT] 2025-11-20

    SAE J 2945/BA:2025-11-20

    Minimum Requirements to Support Traffic Signal Priority and Preemption™ ASN File

    This Abstract Syntax Notation One (ASN.1) file precisely defines the structure of the data used to implement applications conformant to the SAE J2945/B Standard. Using this ASN.1 specification, a ...

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  • Minimum Requirements to Support Traffic Signal Priority and Preemption™ SET File

    Standard [CURRENT] 2025-11-20

    SAE J 2945/BS:2025-11-20

    Minimum Requirements to Support Traffic Signal Priority and Preemption™ SET File

    Included in this set are the SAE J2945/B Standard which specifies the over-the-air (OTA) interface between connected vehicles (CVs) and connected intersections (CIs) to support traffic signal ...

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  • Requirements for Probe Data Collection Applications

    Standard [CURRENT] 2022-06-09

    SAE J 2945/C:2022-06-09

    Requirements for Probe Data Collection Applications

    Connected vehicles can provide data from multiple sensors that monitor both the vehicle and the environment through which the vehicle is passing. The data, when shared, can be used to enhance and ...

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  • On-Board System Requirements for V2V Safety Communications
    new

    Standard [NEW] 2026-03-04

    SAE J 2945/1:2026-03-04

    On-Board System Requirements for V2V Safety Communications

    This standard specifies the system requirements for an on-board vehicle-to-vehicle (V2V) safety communications system for light vehicles1, including standards profiles, functional requirements ...

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  • Vehicle Level Validation Test Procedures for V2V Safety Communications
    new

    Standard [NEW] 2026-03-04

    SAE J 2945/1A:2026-03-04

    Vehicle Level Validation Test Procedures for V2V Safety Communications

    This document provides vehicle-level data collection, data analysis, and data verification procedures that may be used to verify that an instrument under test (IUT) satisfies the vehicle-level ...

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  • On-Board System Requirements for V2V Safety Communications by Non-Light-Duty Vehicles and Motorcycles

    Standard [CURRENT] 2024-10-08

    SAE J 2945/1B:2024-10-08

    On-Board System Requirements for V2V Safety Communications by Non-Light-Duty Vehicles and Motorcycles

    This SAE Standard specifies the system requirements for vehicle-to-vehicle (V2V) safety system for Federal Highway Administration (FHWA) vehicle classes 1 (motorcycles) and 6 through 13 ...

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  • On-Board System Requirements for V2V Safety Communications by School Buses

    Standard [CURRENT] 2024-09-10

    SAE J 2945/1C:2024-09-10

    On-Board System Requirements for V2V Safety Communications by School Buses

    This document specifies the on-board system requirements for vehicle-to-vehicle (V2V) safety system for school buses, including functional requirements and performance requirements. The system can ...

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  • Requirements for Road Weather Applications

    Standard [CURRENT] 2022-01-24

    SAE J 2945/3:2022-01-24

    Requirements for Road Weather Applications

    Inclement weather can have a significant impact on surface transportation systems. It can result in hazardous conditions for travelers due to poor visibility, or wet or icy roadways. Weather ...

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  • Requirements for Road Weather Applications ASN File

    Standard [CURRENT] 2022-01-26

    SAE J 2945/3A:2022-01-26

    Requirements for Road Weather Applications ASN File

    This Abstract Syntax Notation (ASN.1) file precisely specifies the structure of the data used to support implementation of SAE International Standard J2945/3. As part of an international treaty ...

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