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  2. Rules for traffic lights - Wikipedia

    en.wikipedia.org/wiki/Rules_for_traffic_lights

    In some jurisdictions (such as New York City), [citation needed] there are ordinances or by-laws against "gridlocking".A motorist entering an intersection (even if on a green light) but unable to proceed and who gets stranded in the intersection (when traffic ahead fails to proceed), and who remains after the light turns red (thus blocking traffic from other directions) may be cited.

  3. Federal Motor Vehicle Safety Standard 108 - Wikipedia

    en.wikipedia.org/wiki/Federal_Motor_Vehicle...

    FMVSS 108 is codified in Title 49 of the Code of Federal Regulations Part 571, Section 108. [1] The most recent version was published by NHTSA for comment in December 2007, [2] and since then, it has been amended in April 2011, [3] August 2011, [4] January 2012, [5] December 2012, [6] December 2015, [7] February 2016, [8] and February 2022.

  4. Manual on Uniform Traffic Control Devices - Wikipedia

    en.wikipedia.org/wiki/Manual_on_Uniform_Traffic...

    The Manual on Uniform Traffic Control Devices for Streets and Highways (usually referred to as the Manual on Uniform Traffic Control Devices, abbreviated MUTCD) is a document issued by the Federal Highway Administration (FHWA) of the United States Department of Transportation (USDOT) to specify the standards by which traffic signs, road surface markings, and signals are designed, installed ...

  5. Road signs in the United States - Wikipedia

    en.wikipedia.org/wiki/Road_signs_in_the_United...

    11th edition of the MUTCD, published December 2023. In the United States, road signs are, for the most part, standardized by federal regulations, most notably in the Manual on Uniform Traffic Control Devices (MUTCD) and its companion volume the Standard Highway Signs (SHS).

  6. Category:Traffic law - Wikipedia

    en.wikipedia.org/wiki/Category:Traffic_law

    School bus traffic stop laws; School zone; Scott's Law; Seat belt legislation; Kōreisha mark; Shoshinsha mark; Skye's Law; Smoking bans in private vehicles; Street vacation; Stupid motorist law; Swiss Verkehrskadetten Association; Switch to right-hand traffic in Czechoslovakia

  7. Vienna Convention on Road Signs and Signals - Wikipedia

    en.wikipedia.org/wiki/Vienna_Convention_on_Road...

    The title page of the Vienna Convention on Road Signs and Signals. The Convention on Road Signs and Signals, commonly known as the Vienna Convention on Road Signs and Signals, is a multilateral treaty to standardize the signing system for road traffic (road signs, traffic lights and road markings) in use internationally.

  8. Non-detection at traffic lights in the United States - Wikipedia

    en.wikipedia.org/wiki/Non-detection_at_traffic...

    However, these lights sometimes do not detect smaller vehicles such as bikes or motorcycles. Traffic lights that do not service traffic due to non-detection may not meet the federal legal definition adopted by most states for a traffic control signal, which is any device "by which traffic is alternately directed to stop and permitted to proceed".

  9. Regulatory sign - Wikipedia

    en.wikipedia.org/wiki/Regulatory_sign

    Regulatory traffic signs within the United States must comply with the federal Manual on Uniform Traffic Control Devices (MUTCD) or the State MUTCD, depending on the state in which the sign is installed. These signs typically have a white background with black or red legends (legends include text, symbols, graphics not part of the background ...