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  2. Gridlock - Wikipedia

    en.wikipedia.org/wiki/Gridlock

    Gridlock on a network of two-way streets. The red cars are those causing the gridlock by stopping in the middle of the intersection. Gridlock is a form of traffic congestion where continuous queues of vehicles block an entire network of intersecting streets, bringing traffic in all directions to a complete standstill.

  3. 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.

  4. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    Green – Proceed if the intersection or crossing is clear; vehicles are not allowed to block the intersection or crossing. Amber – Stop, unless it is unsafe to do so. A speed sign is a special traffic light, variable traffic sign , or variable-message sign giving drivers a recommended speed to approach the next traffic light in its green ...

  5. Question: I recently ran into a horde of motorcyclists, and by horde I’m talking 50 to 60. At cross streets, one motorcycle would block the intersection and the rest would drive through. Red ...

  6. Road signs in the United States - Wikipedia

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

    The 11th edition of the MUTCD was released on December 19, 2023. [1] The effective date, 30 days after publication, of the MUTCD was January 18, 2024. States have two years after the effective date to do one of the following options: adopt the revised MUTCD, adopt the revised MUTCD with a state supplement, or adopt a state-specific MUTCD. [2]

  7. Box junction - Wikipedia

    en.wikipedia.org/wiki/Box_junction

    A box junction in London, pictured from atop the Monument in 1969. A box junction is a road traffic control measure designed to prevent congestion and gridlock at junctions.The surface of the junction is typically marked with a yellow criss-cross grid of diagonal painted lines (or only two lines crossing each other in the box), and vehicles may not enter the area so marked unless their exit ...

  8. Variations in traffic light operation - Wikipedia

    en.wikipedia.org/wiki/Variations_in_traffic...

    In New Zealand, where traffic is on the left, when a road is given a green light from an all-direction stop, a red arrow can continue to display to turning traffic, holding traffic back while a pedestrian crossing on the side road is given a green signal (for left turns) or while oncoming traffic goes straight ahead and there is no permissive right turn allowed (for right turns).

  9. Uncontrolled intersection - Wikipedia

    en.wikipedia.org/wiki/Uncontrolled_intersection

    An uncontrolled intersection in suburban Melbourne, Australia. At uncontrolled 4-way intersections, the common rules are: . give way to traffic approaching from the passenger's side (i.e. from the right in countries that drive on the right-hand side, a rule known as priority to the right, and vice versa) [citation needed]