The Clearinghouse was intended to make the highways safer by identifying drivers who are prohibited to drive a commercial motor vehicle because of drug or alcohol violation.  STC’s co-director P. Sean Garney, notes the Clearinghouse is working as intended, but as of Jan. 1, 158,330 drivers were in prohibited status, meaning they could not drive a commercial motor vehicle until they completed the required return-to-duty process.  Read the full article here for more discussion about the Clearinghouse.