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2. Bicycle lighting - Wikipedia

   en.wikipedia.org/wiki/Bicycle_lighting

   Rear LED light mounted on the seatpost of a road bicycle. Most LED lights will work in either flashing or steady modes. Some LED lights have multiple banks of LEDs allowing both flashing and steady light at once. This can also be achieved by having one flashing light and one steady. In many countries, LED flashers are the norm for rear lights.

3. HAWK beacon - Wikipedia

   en.wikipedia.org/wiki/HAWK_beacon

   First with flashing yellow, then steady yellow, and finally steady red over a period of several seconds. Pedestrian signal heads at either end of the crosswalk display the upraised hand (don't walk) signal until the HAWK beacon displays the steady red signal, at which time, the pedestrian heads change to the walking-person (walk) aspect.

4. Toucan crossing - Wikipedia

   en.wikipedia.org/wiki/Toucan_crossing

   Unlike the pelican crossing, before the lights for vehicles go back to green, a steady red and amber are displayed instead of the flashing amber. The pedestrian/cyclist signal lights may be on the near side of the crossing (like a puffin crossing), or on the opposite side of the road (like a pelican crossing).

5. Emergency vehicle lighting - Wikipedia

   en.wikipedia.org/wiki/Emergency_vehicle_lighting

   If a blue flashing light is seen in either traffic or the sea, other vehicles must yield to let that vehicle pass. Blue flashing lights are used by police, military police, customs, fire departments, rescue services, and ambulances. Government, VIP, and embassy vehicles may also use blue if accompanied by local police.

6. Crosswalks in North America - Wikipedia

   en.wikipedia.org/wiki/Crosswalks_in_North_America

   Some more innovative crossing treatments include in-pavement flashers, yellow flashing warning lights installed in the roadway, or HAWK beacon—an overhead signal with a pair of red beacons above an amber beacon, when a pedestrian is detected or actuates the device it begins a sequence of amber flashing followed by a solid red, followed by a ...

7. 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).