Court of Appeals for the D.C. Circuit December 2, 2005, Nos. 04-1233, 04-1236 and 04-1418 (Advocates for Highway & Auto Safety v. Federal Motor Carrier Safety Administration)

Opinion for the Court filed by Senior Circuit Judge HARRY T. EDWARDS.

HARRY T. EDWARDS, Senior Circuit Judge.

In 1991, Congress instructed the Department of Transportation (“DOT”) to determine whether drivers of commercial motor vehicles (“CMVs”) — large trucks, passenger coaches, and school buses— were receiving adequate training. Inter-modal Surface Transportation Efficiency Act, Pub.L. No.