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The completion of the process leaves a symmetrical pattern of dash marks on the roadway, as if there were an associated meaning to the pattern. [6] When there are many of them along the roadway, motorists may interpret the marks as an unknown form of mechanical markers or strange road surface markings. [7]
For example, if 500 pedestrians cross the road per hour and 600 vehicles per hour use that road section, PV 2 dictates that a pelican crossing should be installed. [6]: Fig. 1 Fig. 1 The US Manual on Uniform Traffic Control Devices (MUTCD) advises that crosswalk markings should 'not be used indiscriminately' and encourages engineering studies ...
Hairpin turn in Oregon, US A hairpin, after which the feature is named. A hairpin turn (also hairpin bend or hairpin corner) is a bend in a road with a very acute inner angle, making it necessary for an oncoming vehicle to turn about 180° to continue on the road.
Zig zag (railway), a construction technique railroads use to climb hills; also called a switchback; Lapstone Zig Zag, a walking track on the line of an abandoned railway; Zig Zag Railway, a heritage railway near Lithgow; Zig Zag railway station, a railway station on the CityRail network near Lithgow, New South Wales; Kalamunda Zig Zag in ...
The selection of lane width affects the safety, maximum capacity, and cost, of a highway. Safety is best at a width of 3.0 to 3.1 metres (9.8 to 10.2 ft) in urban settings, where both narrow (less than 2.8 metres (9 ft 2 in)) and wide (over 3.1 metres (10 ft)) lanes have higher crash risks.
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Traffic islands can be used to reduce the speed of cars driving through, [1] or to provide a central refuge to pedestrians crossing the road. When traffic islands are longer, they are instead called traffic medians, a strip in the middle of a road, serving the divider function over a much longer distance. [2] Refuge island in Lisbon, Portugal
The Hotel Indonesia Roundabout in Jakarta, Indonesia A magic roundabout in Kent, UK, on the A13 road near Sadlers Farm. A roundabout, a rotary and a traffic circle are types of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.