A bill to direct the Secretary of Transportation to submit to Congress reports on whether or not improved brake systems and speed control devices enhance safe operation of commercial motor vehicles.

Directs the Secretary of Transportation to report to the Congress by a specified deadline: (1) whether commercial motor vehicles operating on any Federal-aid highway system should be equipped with improved brakes and brake systems; (2) the results of a study to determine whether speed control devices enhance the safe operation of such vehicles; and (3) the Secretary's recommendations regarding the mandatory use of speed control devices for such vehicles.