The Motor Carrier Safety Assistance Program (MCSAP) is a Federal grant program that provides financial assistance to States to reduce the number and severity of crashes and hazardous materials incidents involving commercial motor vehicles (CMVs). The goal of the MCSAP is to reduce CMV-involved crashes, fatalities, and injuries through consistent, uniform, and effective CMV safety programs.  The MCSAP is FMCSA's largest grant program that supports State and local law enforcement agencies to utilize over 12,000 enforcement officers to increase enforcement and safety activities nationwide.

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The Howard University Transportation Research Center (HUTRC) has been managing the MCSAP grant on behalf of the Metropolitan Police Department (MPD) in the District of Columbia (DC) since 2014. This involves the preparation of the crash statistics reports for CMVs, preparation of grant proposals, performance reports, a compilation of CMV inspection reports, representing MPD at pertinent national workshops, conferences, and meetings.