linked traffic lights
1Traffic signal preemption — is a type of system that allows the normal operation of traffic lights to be preempted, often to assist emergency vehicles.[1][2] The most common use of these systems is to manipulate traffic signals in the path of an emergency vehicle, stopping… …
2Color blindness — Colorblind and Colourblind redirect here. For other uses, see Colorblind (disambiguation). Color blindness or color deficiency Classification and external resources An 1895 illustration of normal vision and various kinds of color blindness …
3Potsdamer Platz — Major buildings at Potsdamer Platz from the air in 2004 …
4Emergency vehicle lighting — refers to any of several visual warning devices, which may be known as light bars or beacons, fitted to a vehicle and used when the driver wishes to convey to other road users the urgency of their journey, to provide additional warning of a… …
5Controlled-access highway — Freeway redirects here. For other meanings, see Freeway (disambiguation). A freeway with a wide grass median (Highway 402 in Canada) A controlled access highway is a highway designed exclusively for high speed vehicular traffic, with all traffic… …
6Warning sign — redirects here. For other uses, see Warning Sign (disambiguation). For a sign on a vehicle or building relating to it or its contents, see placard. A traffic warning sign is a type of traffic sign that indicates a hazard ahead on the road that… …
7Moorooduc Highway — Length 19 km (12  …
8Helsinki tram — Infobox Public transit name = Helsinki tram imagesize = locale = Helsinki, Finland transit type = Tramway began operation = 1891 ended operation = system length =Totalconvert|110|km|mi|1|abbr=onPassenger trafficconvert|89.5|km|mi|1|abbr=on lines …
9Monash Freeway — Formerly …
10Tunis — For other uses, see Tunis (disambiguation). Tunis تونس   City   …
