A number of websites offer free access to CRS reports:
Motorcycle Safety: Recent Trends, Congressional Action, and Selected
Policy Options.
Motor Vehicle Manufacturing Employment: National and State Trends and
Issues.
Previous GAO reports:
Motor Carrier Safety: Federal Safety Agency Identifies Many High-Risk
Carriers but Does Not Assess Maximum Fines as Often as Required by
Law. GAO-07-584, August 28, 2007 http://www.gao.gov/new.items/d07584.pdf
Motor Carrier Safety: Preliminary Information on the Federal Motor
Carrier Safety Administration's Efforts to Identify and Follow Up with
High-risk Carriers, by Susan A. Fleming, director, physical
infrastructure issues, before the Subcommittee on Highways and
Transit, House Committee on Transportation and Infrastructure.
GAO-07-1074T, July 11, 2007 http://www.gao.gov/new.items/d071074t.pdf
Motor Carrier Safety: A Statistical Approach Will Better Identify
Commercial Carriers That Pose High Crash Risks Than Does the Current
Federal Approach. GAO-07-585, June 11, 2007
http://www.gao.gov/new.items/d07585.pdf
Unified Motor Carrier Fee System: Progress Made but Challenges to
Implementing New System Remain. GAO-07-771R, May 25, 2007
http://www.gao.gov/new.items/d07771r.pdf
Highway Safety: Further Opportunities Exist to Improve Data on Crashes
Involving Commercial Motor Vehicles. GAO-06-102, November 18, 2005
http://www.gao.gov/new.items/d06102.pdf
Motor Fuels: Understanding the Factors That Influence the Retail Price
of Gasoline. GAO-05-525SP, May 2005.
http://www.gao.gov/new.items/d05525sp.pdf
Highway Safety: Research Continues on a Variety of Factors That
Contribute to Motor Vehicle Crashes. GAO-03-436, March 31, 2003.
http://www.gao.gov/new.items/d03436.pdf