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  2. Crossing guard - Wikipedia

    en.wikipedia.org/wiki/Crossing_guard

    When a gap in the traffic appears the leader calls "signs out" (both signs are extended onto the road). "Check" (Both students check that traffic is stopping/stopped). "Cross now" (students may cross safely) and finally "signs in" (Signs are withdrawn from road). All traffic is legally required to stop if one or more signs are being displayed.

  3. Rules of the Road: Do we really need all those traffic signs ...

    www.aol.com/rules-road-really-those-traffic...

    He addressed problem intersections by removing stop signs and signals, speed limit signs, speed bumps, railings, pavement markings; all the things we rely on to keep us safe as we drive.

  4. Road surface marking - Wikipedia

    en.wikipedia.org/wiki/Road_surface_marking

    Grinding: The grinding method is to use rotating abrasive surface against the markings to break them up. It can be in the form of grinding, milling or flailing. One grinding head uses orbital abrasive disks similar to an orbital sander. Another grinding head uses spindles with teeth. Another type of grinding use a drum of disks with teeth ...

  5. Rumble strip - Wikipedia

    en.wikipedia.org/wiki/Rumble_strip

    The noise levels at the sidewalk ranged from 60 to 77 decibels, higher than the 60 decibel noise level limit in the Town's Noise Ordinance during nighttime hours. [53] In 2005, the London borough of Bromley removed transverse rumble strips after residents complained of the excessive "machine gun fire" noise. [ 54 ]

  6. Traffic warning sign - Wikipedia

    en.wikipedia.org/wiki/Traffic_warning_sign

    In the U.S., Stop and speed limit signs fall under the R Series (Regulatory). Modern U.S. signs are widely standardized; unless they are antique holdovers from an earlier era, oddities like a yellow Stop sign or a red Slippery When Wet sign would typically appear only on private property—perhaps at a hospital campus or in a shopping mall ...

  7. Road traffic control device - Wikipedia

    en.wikipedia.org/wiki/Road_traffic_control_device

    Warning signs are traffic signs that are used to warn road users about a potential danger. These signs are usually diamond in shape and, except for temporary traffic control signs, have black legends and borders on a yellow background. Work zone signs have orange backgrounds, and incident management signs have pink backgrounds.

  8. All-way stop - Wikipedia

    en.wikipedia.org/wiki/All-way_stop

    Where a stop has been determined to qualify, it is signed at all approaches to the intersections with a standard octagonal "Stop" sign, with a supplemental "All-Way" plate. Earlier editions of the MUTCD allowed supplemental plates specifying the number of approaches in an all-way stop, as in "2-Way", "3-Way" or "4-Way".

  9. They film you rolling through stop signs and fine you $100 ...

    www.aol.com/news/socal-parks-agency-fines...

    A California parks agency issues about 17,000 tickets a year for stop sign violations, such as 'rolling stops,' bringing it more than $1 million a year. They film you rolling through stop signs ...