enow.com Web Search

  1. Ads

    related to: dc road test

Search results

  1. Results from the WOW.Com Content Network
  2. AASHO Road Test - Wikipedia

    en.wikipedia.org/wiki/AASHO_Road_Test

    The road test used large road user panels to establish the present serviceability rating (PSR) for each test section. Since panel ratings are expensive, a substitute key parameter present serviceability index (PSI) was established. The PSI is based on data on the road's longitudinal roughness, patchwork, rutting, and cracking. Later studies ...

  3. Present serviceability index - Wikipedia

    en.wikipedia.org/wiki/Present_Serviceability_Index

    The PSI was developed based on the AASHO Road Test's present serviceability rating (PSR). AASHO Road Test was a set of experiments carried out by the AASHTO from 1956 to 1961. [4] Unlike the PSR, which was a ride quality rating that required a panel of observers to ride in a car over the pavement of interest, the PSI does not require a panel of ...

  4. Fourth power law - Wikipedia

    en.wikipedia.org/wiki/Fourth_power_law

    The test was called the AASHO Road Test. When evaluating the series of tests, it was found that there is a connection between the thickness of the pavement, the number of load transfers and the axle load, and that these have a direct effect on the service life and condition of a road.

  5. Driver's licenses in the United States - Wikipedia

    en.wikipedia.org/wiki/Driver's_licenses_in_the...

    Note: In Tennessee, to obtain a hardship license for a minor, called a Class H license, if the minor is aged 14 or 15, the minor can operate a Class D passenger vehicle or Class M motorcycle (limited to 125 cc) or both; the minor must pass a vision screening, knowledge test, and road test to operate a Class D passenger vehicle; take the Class M ...

  6. List of state-named roadways in Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/List_of_state-named...

    The road runs from an intersection with Massachusetts Avenue and 22nd and Q Streets in Embassy Row along a winding path due to the city's topography, until 9th Street where the road follows a straight trajectory. The road terminates at an intersection with H Street NE near the Starburst Plaza intersection in Trinidad. 4.0 mi (6.4 km) [21] [22] [23]

  7. Streets and highways of Washington, D.C. - Wikipedia

    en.wikipedia.org/wiki/Streets_and_highways_of...

    Facsimile of manuscript of Peter Charles L'Enfant's 1791 plan for the federal capital city (United States Coast and Geodetic Survey, 1887). [2] L'Enfant's plan for Washington, D.C., as revised by Andrew Ellicott in 1792 Thackara & Vallance's 1792 print of Ellicott's "Plan of the City of Washington in the Territory of Columbia", showing street names, lot numbers, depths of the Potoma River and ...

  8. District of Columbia Department of Motor Vehicles - Wikipedia

    en.wikipedia.org/wiki/District_of_Columbia...

    The District of Columbia Department of Motor Vehicles (DC DMV) is an agency of the government of the District of Columbia, in the United States. [1] [2] The department registers motor vehicles and issues driver licenses (including commercial driver's licenses) and license plates, [3] issues identification cards, [4] and provides hearings on tickets (parking, moving violations, and major ...

  9. Driving test - Wikipedia

    en.wikipedia.org/wiki/Driving_test

    A driving test generally consists of one or two parts: the practical test (sometimes called a road test in the United States), used to assess a person's driving ability under normal operating conditions, [1] and a theory test (written, oral or computerized) to confirm a person's knowledge of driving and relevant rules and laws.

  1. Ads

    related to: dc road test