Railroad Safety Enhancement Act of 2007

Railroad Safety Enhancement Act of 2007 - Authorizes appropriations for: (1) railroad safety, including transportation of hazardous materials; (2) deployment of a Gage Restraint Measurement System vehicle and a track geometry vehicle or other comparable technology in each region; (3) construction of the Facility for Underground Rail Station and Tunnel Testing and Training at the Transportation Technology Center, Inc., in Pueblo, Colorado; and (4) rail security personnel in Department of Transportation (DOT) regional offices and in Washington, DC.

Provides for the appointment of a Chief Safety Officer for the Federal Railroad Administration.

Requires the Secretary of Transportation (Secretary) to develop: (1) a long-term railroad safety strategy; and (2) a railroad safety risk reduction pilot program.

Revises hours of service requirements for train and signal employees to include that such employees may not be required to be on duty for more than 12 consecutive hours.

Sets forth requirements for: (1) the prevention and reduction of pedestrian and motor vehicle accidents and other incidents, injuries, and fatalities at or near passenger stations, railroad rights-of-way, and highway-rail grade crossings; and (2) the development of new technology to improve safety at highway-rail grade crossings.

Requires the Secretary to increase gradually the number of rail safety-related employees at the Federal Railroad Administration.

Directs the Secretary to issue regulations to require railroad carriers and railroad contractors and subcontractors to develop plans that train certain crafts or classes of employees on relevant federal railroad safety laws and regulations.

Requires the Secretary to establish: (1) a railroad safety technology grants program; and (2) a railroad safety infrastructure improvement grants program.

Directs the National Transportation Safety Board (NTSB) to provide certain assistance to families of passengers involved in a rail passenger accident that results in a major loss of life. Requires a rail passenger carrier to submit to the NTSB, the Secretary, and the Secretary of Homeland Security a plan for addressing the needs of such families.

Exempts solid waste management facilities from the exclusive jurisdiction of the Surface Transportation Board (effectively allowing state and local authorities to regulate solid waste management facilities).