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  2. Variations in traffic light operation - Wikipedia

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

    A flashing red ball signal on a "protected" left turn traffic signal indicates that left turning traffic may, after a full stop, complete their turn if and only if there is a long enough break in oncoming traffic. The flashing red usually occurs when the oncoming traffic has a green signal.

  3. French railway signalling - Wikipedia

    en.wikipedia.org/wiki/French_railway_signalling

    Flashing red (one flashing red light): proceed no faster than 15 km/h. The flashing red aspect is a variant of the semaphore: a driver may pass the signal with caution at a speed which allows the train to stop at any obstruction, at a maximum speed of 15 km/h after the signal. not used Distant (one yellow light): expect stop.

  4. Traffic light - Wikipedia

    en.wikipedia.org/wiki/Traffic_light

    In the US, a single-aspect flashing amber signal can be used to raise attention to a warning sign and a single-aspect flashing red signal can be used to raise attention to a "stop", "do not enter", or "wrong way" sign. [34] Flashing red or amber lights, known as intersection control beacons, are used to reinforce stop signs at intersections. [35]

  5. Check engine light - Wikipedia

    en.wikipedia.org/wiki/Check_engine_light

    A check engine light or malfunction indicator lamp (MIL), is a tell-tale that a computerized engine-management system uses to indicate a malfunction or problem with the vehicle ranging from minor (such as a loose gas cap) to serious (worn spark plugs, engine problems or a faulty oil valve, etc.).

  6. UK railway signalling - Wikipedia

    en.wikipedia.org/wiki/UK_railway_signalling

    This consists of a temporary AWS magnet and flashing warning indicator (also known colloquially as a 'Dalek' or 'Metal Mickey') [32] placed before the usual temporary speed restriction equipment. Network Rail will fax information about the ESR to train crew booking-on points, where it must be displayed in the red-coloured 'Late notice case'.

  7. Economists had fully anticipated the index would move higher due to “base effects,” because July’s data would be compared with a year-ago period that showed faster-than-usual disinflation.

  8. Automotive lighting - Wikipedia

    en.wikipedia.org/wiki/Automotive_lighting

    The emergency stop signal is automatically activated if the vehicle speed is greater than 50 km/h (31 mph) and the emergency braking logic defined by regulation No. 13 (heavy vehicles), 13H (light vehicles), or 78 (motorcycles) is activated; the ESS may be displayed when a light vehicle's deceleration is greater than 6 m/s 2 (20 ft/s 2) or a ...

  9. What Causes a Crypto Flash Crash? Sometimes, Business as Usual

    www.aol.com/news/causes-crypto-flash-crash...

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