The school was licensed by the state to test commercial drivers.

Each state had to pass legislation and set up the means to test drivers or face a loss of 1o percent of its Federal highway funds.

She has even tested drivers in garbage trucks.

Lotus's 1971 experiments did not bring any serious advance in technology, but allowed Chapman to test several drivers.

After poor performance, BAM Racing asked Sherman to step aside while the team tested other drivers.

Police are given new roadside powers to test drivers they suspect of being under the influence of drugs.

Serbian traffic police do carry portable breathalyzers to test drivers.

Microsoft implements a form of code signing (based on Authenticode) provided for Microsoft tested drivers.

For this reason, Microsoft tests drivers submitted to its WHQL program.

Researchers have tested drivers who had small amounts of alcohol, but only on closed and empty courses.