Promoting Safety: Alcohol Testing in the US DOT
Contrary to common belief, preliminary alcohol testing is not mandatory under the US DOT regulations. While it is an essential tool for law enforcement officers during traffic stops, it is not a requirement for all commercial drivers. However, this does not undermine the importance of random alcohol testing, which is indeed mandated by the DOT. Preliminary alcohol testing is not required. Random alcohol testing is required by the US DOT.
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