To designate a rail right-of-way as a corridor for inter-suburban commuter rail, and for other purposes.

Requires the Secretary of Transportation to: (1) designate a rail right-of-way as a corridor for inter-suburban commuter rail based on certain qualifying factors and after a 30-day congressional review period; (2) provide technical assistance to expedite completion of inter-suburban rail service; and (3) prohibit increased usage of such corridor except to increase the availability of inter-suburban commuter rail.