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  2. Forensic Science Service - Wikipedia

    en.wikipedia.org/wiki/Forensic_Science_Service

    The UK Government announced the closure of the FSS in December 2010, citing monthly losses of up to £2m as justification. The House of Commons Science and Technology Committee - Seventh Report (FSS) took evidence between 23 March 2011 and 27 April 2011 Science and Technology Committee. The FSS finally closed on 31 March 2012.

  3. Stop sign - Wikipedia

    en.wikipedia.org/wiki/Stop_sign

    The stop sign is retroreflective and equipped either with red blinking lights above and below the stop legend or with a legend that is illuminated by LEDs. Unlike a normal stop sign, this sign indicates a two-way absolute stop, requiring other vehicles travelling in both directions to remain stopped until the sign is retracted. [citation needed]

  4. Stop signs removal explained - AOL

    www.aol.com/news/stop-signs-removal-explained...

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  5. Road signs in the United States - Wikipedia

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

    Signs including Stop, Yield, No Turns, No Trucks, No Parking, No Stopping, Minimum Speed, Right Turn Only, Do Not Enter, Weight Limit, and Speed Limit are considered regulatory signs. Some have special shapes, such as the octagon for the Stop sign and the crossbuck for railroad crossings.

  6. 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).

  7. Signal passed at danger - Wikipedia

    en.wikipedia.org/wiki/Signal_passed_at_danger

    a trackside colour light signal or semaphore at danger, or an order to STOP where a Train Protection system (TPS) is not operational, the end of a safety related movement authority provided in a TPS, a point communicated by verbal or written authorisation laid down in regulations, stop boards (buffer stops are not included) or hand signals.

  8. Stop and yield lines - Wikipedia

    en.wikipedia.org/wiki/Stop_and_yield_lines

    It is also known as a stop bar. [ 2 ] A yield line, also called shark's teeth or a give way line , is a type of marking used to inform drivers of the point where they need to yield and give priority to conflicting vehicle or pedestrian traffic at an intersection or roundabout controlled by a yield sign .

  9. Wrong-side failure - Wikipedia

    en.wikipedia.org/wiki/Wrong-side_failure

    A wrong-side failure describes a failure condition in a piece of railway signalling equipment that results in an unsafe state. A typical example would be a signal showing a 'proceed' aspect (e.g. green) when it should be showing a 'stop' or 'danger' aspect, resulting in a "false clear".