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  2. Median strip - Wikipedia

    en.wikipedia.org/wiki/Median_strip

    Typical left-hand motorway road layout in Ireland and South Africa Divided median strip on a boulevard in Huizhou, China. A median strip, central reservation, roadway median, or traffic median is the reserved area that separates opposing lanes of traffic on divided roadways such as divided highways, dual carriageways, freeways, and motorways.

  3. Road signs in the United States - Wikipedia

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

    The MUTCD and SHS establish seven categories of signs for road and highway use, ... Keep off median. R11-2 Road closed [c] R11-2a Street closed. R11-2b Bridge out. R11-2c

  4. Right-in/right-out - Wikipedia

    en.wikipedia.org/wiki/Right-in/right-out

    Several characteristics of a RIRO expressway are shown in the image: there is an unbroken median, there are right-in/right-out turns at the side roads, there are businesses with direct right-in/right-out frontage along the highway, and there is a sign indicating that access to the southbound lanes of the highway is via a right turn onto the ...

  5. Controlled-access highway - Wikipedia

    en.wikipedia.org/wiki/Controlled-access_highway

    Geish Road: It runs between Helwan and Asyut, along the Nile, also connecting Beni Suef and Minya. Its length is 306 km (190 mi). Ring Road: It serves as an inner ring-road for Cairo. It has a length of 103 km (64 mi). Regional Ring Road: It serves as an outer ring road for Cairo, also connecting its suburbs like Helwan and 10th of Ramadan City ...

  6. Traffic island - Wikipedia

    en.wikipedia.org/wiki/Traffic_island

    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

  7. Glossary of road transport terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_road_transport...

    See three-way junction 5-1-1 A transportation and traffic information telephone hotline in some regions of the United States and Canada that was initially designated for road weather information. A Access road See frontage road Advisory speed limit A speed recommendation by a governing body. All-way stop or four-way stop An intersection system where traffic approaching it from all directions ...

  8. Interstate Highway standards - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_standards

    Through urban areas, at least one routing is to have 16-foot (4.9 m) clearances, but others may have a lesser clearance of 14 feet (4.3 m). Sign supports and pedestrian overpasses must be at least 17 feet (5.2 m) above the road, except on urban routes with lesser clearance, where they should be at least 1 foot (30 cm) higher than other objects.

  9. Road median - Wikipedia

    en.wikipedia.org/?title=Road_median&redirect=no

    This page was last edited on 7 February 2014, at 02:48 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.