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The AASHO road test was to study the performance of pavement structures of known thickness under moving loads of known magnitude and frequency. [citation needed] The study was carried out from August 1956 to November 30, 1960 in Ottawa, Illinois [2] and has been used as a primary source of experimental data when vehicle wear to highways is ...
In the United States, driver's licenses are issued by each individual state, territory, and the District of Columbia rather than by the federal government due to federalism. Drivers are normally required to obtain a license from their state of residence. All states of the United States and provinces and territories of Canada recognize each ...
Field sobriety tests ( FSTs ), also referred to as standardized field sobriety tests ( SFSTs ), are a battery of tests used by police officers to determine if a person suspected of impaired driving is intoxicated with alcohol or other drugs. FSTs (and SFSTs) are primarily used in the United States, to meet "probable cause for arrest ...
Driving under the influence ( DUI) is the offense of driving, operating, or being in control of a vehicle while impaired by alcohol or drugs (including recreational drugs and those prescribed by physicians ), to a level that renders the driver incapable of operating a motor vehicle safely. [1] Multiple other terms are used for the offense in ...
United States (1969) Illinois v. Gates, 462 U.S. 213 (1983), is a Fourth Amendment case. [1] Gates overruled Aguilar v. Texas [2] and Spinelli v. United States, [3] thereby replacing the Aguilar–Spinelli test for probable cause with the "totality of the circumstances" test.
Drunk driving in the United States. Drunk driving is the act of operating a motor vehicle with the operator's ability to do so impaired as a result of alcohol consumption, or with a blood alcohol level in excess of the legal limit. [1] For drivers 21 years or older, driving with a blood alcohol concentration (BAC) of 0.08% or higher is illegal.
The Driver License Compact is an agreement between states in the United States of America. The compact is used to exchange data between motorist's home state and a state where the motorist incurred a vehicular violation. Not all states are members, and states respond to the data differently. [1]
A driving test (also known as a driving exam or driver's test in some places) is a procedure designed to test a person's ability to drive a motor vehicle. It exists in various forms worldwide, and is often a requirement to obtain a license to drive a vehicle independently. A driving test generally consists of one or two parts: the practical ...