A bill to direct the Secretary of Transportation to approve modifications of certain interstate highway transfer concept plans.

Authorizes the State of Maryland to request a modification of the transfer concept plan approved with respect to the withdrawal of certain interstate routes in the vicinity of Cumberland, Maryland.

Directs the Secretary of Transportation to approve such request: (1) if such State submits it to the Secretary before a specified deadline; and (2) if such modification will not result in any increase in the amount of funds available for the Federal share of substitute projects under the transfer concept plan.