enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Interstate Highway standards - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_standards

    Minimum lane width: The minimum lane width is 12 feet (3.7 m), identical to most US and state highways. Shoulder width: The minimum width of the left paved shoulder is 4 feet (1.2 m), and of the right paved shoulder 10 feet (3.0 m). With three or more lanes in each direction, both shoulders are to be at least 10 feet (3.0 m) wide.

  3. Right of way - Wikipedia

    en.wikipedia.org/wiki/Right_of_way

    Right of way drawing of U.S. Route 25E for widening project, 1981 Right of way highway marker in Athens, Georgia Julington-Durbin Peninsula power line right of way. A right of way (also right-of-way) is a transportation corridor along which people, animals, vehicles, watercraft, or utility lines travel, or the legal status that gives them the right to do so.

  4. Geometric design of roads - Wikipedia

    en.wikipedia.org/wiki/Geometric_design_of_roads

    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.

  5. Road signs in the United States - Wikipedia

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

    One way (with arrow) (right) R6-2L One way (with arrow) (left) R6-3 Divided highway crossing. ... W5 series: Road width restrictions. W5-1 Road narrows. CW5-1 Road ...

  6. Clearance (civil engineering) - Wikipedia

    en.wikipedia.org/wiki/Clearance_(civil_engineering)

    For roads without curbs, the clearance for that is 1.5 metres (4 ft 11 in) given that the minimum clearance from the center line of the roads is 5 metres (16 ft 5 in). [ 21 ] For roadways that require passing under some structures such as tunnels, there are standards on the entire width of the roads known as horizontal curb-to-curb and wall-to ...

  7. Revised statute 2477 - Wikipedia

    en.wikipedia.org/wiki/Revised_statute_2477

    The repeal was subject to "valid existing rights." The relevant text (Sec. 701. 43 U.S.C. 1701) reads (a) "Nothing in this Act, or in any amendment made by this Act, shall be construed as terminating any valid lease, permit, patent, right-of-way, or other land use right or authorization existing on the date of approval of this Act". [1]

  8. Traffic law in the United States - Wikipedia

    en.wikipedia.org/wiki/Traffic_law_in_the_United...

    List of some standard rules of the road: Entering and leaving roadways. Right of way at marked and unmarked intersections under various conditions. Observing and interpreting traffic signs (especially warning, priority or prohibitory traffic signs) Keeping to right side (or left side) except to pass others, where passing is allowed.

  9. Intersection (road) - Wikipedia

    en.wikipedia.org/wiki/Intersection_(road)

    Priority (right-of-way) rules may vary by country: on a 4-way intersection traffic from the right often has priority; on a 3-way intersection either traffic from the right has priority again, or traffic on the continuing road. For traffic coming from the same or opposite direction, that which goes straight has priority over that which turns off.