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  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. National Network - Wikipedia

    en.wikipedia.org/wiki/National_Network

    A map of the National Network §658.9 National Network Criteria [2] The National Network listed in the appendix to this part is available for use by commercial motor vehicles of the dimensions and configurations described in §658.13 and §658.15. For those States with detailed lists of individual routes in the appendix, the routes have been ...

  4. Vehicle size class - Wikipedia

    en.wikipedia.org/wiki/Vehicle_size_class

    The current regulations state that a kei car is a vehicle less than 3.4 m (11.2 ft) long, 1.48 m (4.9 ft) wide, 2 m (6.6 ft) high, with a maximum engine displacement of 660 cc (40 cu in) and maximum power of 64 PS (47 kW; 63 hp).

  5. Oversize load - Wikipedia

    en.wikipedia.org/wiki/Oversize_load

    In the United States, an oversize load is a vehicle and/or load that is wider than 8 ft 6 in (2.59 m). Each individual state has different requirements regarding height and length (most states are 13 ft 6 in or 4.11 m tall), and a driver must purchase a permit for each state he/she will be traveling through.

  6. Lane - Wikipedia

    en.wikipedia.org/wiki/Lane

    The lane width depends on the assumed maximum vehicle width, with an additional space to allow for lateral motion of the vehicle. [citation needed] In the United States, the maximum truck width had been 8 ft (2.4 m) in the Code of Federal Regulations of 1956, which exactly matched then standard shipping container width.

  7. List of countries by road network size - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_road...

    This is a list of countries (or regions) by total road network size, both paved and unpaved.Also included is additional data on road network density and the length of each country or region's controlled-access highway network (also known as a motorway, expressway, freeway, etc.), designed for high vehicular traffic.

  8. Portal:U.S. roads - Wikipedia

    en.wikipedia.org/wiki/Portal:U.S._Roads

    State Route 261 (SR 261) is a 62.71-mile-long (100.92 km) state highway in the U.S. state of Washington. Serving Columbia , Franklin , and Adams counties, the highway begins at U.S. Route 12 (US 12) east of Starbuck and becomes concurrent with SR 260 from Kahlotus to SR 26 in Washtucna before ending at Interstate 90 (I-90) and US 395 in Ritzville .

  9. Traffic law in the United States - Wikipedia

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

    Speed limits are set by each state or territory, as well as counties or municipalities, on the roads within their jurisdiction. The maximum speed limit on rural two-lane roads ranges from 50 mph (80 km/h) in parts of the northeast to 75 mph (120 km/h) in parts of Texas.