With amounts appropriated pursuant to paragraph (1), the Secretary shall purchase Gage Restraint Measurement System vehicles and track geometry vehicles or other comparable technology as needed to assess track safety consistent with the results of the track inspection study required by section 403 of the Rail Safety Improvement Act of 2008.

There are authorized to be appropriated to the Secretary $18,000,000 for the period encompassing fiscal years 2009 through 2013 to design, develop, and construct the Facility for Underground Rail Station and Tunnel at the Transportation Technology Center in Pueblo, Colorado. The facility shall be used to test and evaluate the vulnerabilities of above-ground and underground rail tunnels to prevent accidents and incidents in such tunnels, to mitigate and remediate the consequences of any such accidents or incidents, and to provide a realistic scenario for training emergency responders.

Such sums as may be necessary from the amount appropriated pursuant to paragraph (1) for each of the fiscal years 2009 through 2013 shall be made available to the Secretary for personnel in regional offices and in Washington, D.C., whose duties primarily involve rail security.