Regulation establishes a new Federal Motor Vehicle Safety Standard No.136 to require electronic stability control (ESC) systems on truck tractors and certain buses with a gross vehicle weight rating of greater than 11,793 kilograms (26,000 pounds). Electronic Stability Control systems in truck tractors and large buses are designed to reduce untripped rollovers and mitigate severe understeer or oversteer conditions that lead to loss of control by using automatic computer-controlled braking and reducing engine torque output.

The Federal Railroad Administration is proposing to amend a previous regulation requiring Positive Train Control (PTC) systems to be installed on railroad lines.

To promote safety and to protect driver health, FMCSA proposes to revise the regulations for hours of service for drivers of property-carrying commercial motor vehicles (CMVs).

The FAA is proposing to amend its existing flight, duty and rest regulations applicable to certificate holders and their flightcrew members.

This notice of proposed rulemaking would establish a new Federal Motor Vehicle Safety Standard (FMVSS) No. 226, to reduce the partial and complete ejection of vehicle occupants through side windows in crashes, particularly rollover crashes.

Recent changes to the Transportation Infrastructure Finance and Innovation Act (TIFIA) statute require changes in the TIFIA rule. In addition, the DOT has gained substantial administrative experience

PHMSA proposes to amend the Federal Pipeline Safety Regulations to require operators of gas distribution pipelines to develop and implement integrity management (IM) programs. The purpose of these

This rulemaking would address Corporate Average Fuel Economy (CAFE) Standards for light trucks and for passenger cars for model years 2011–2015. CAFE standards must be set at least 18 months prior to

The rule creates interim standards for tank car construction and reduces to 50mph rail speeds for these cars when they are loaded.