With the proposal to toll nine major interstate bridges to pay for their replacement or rehabilitation now dead, a panel of Pennsylvania state senators set out to explore what happens next to address these costly but necessary transportation projects.

Pennsylvania’s transportation funding panel has proposed gas-tax alternative options that include a doubling of vehicle registration fees, which a state trucking leader said would lead to interstate trucking companies registering their trucks in other states.

A lawmaker wants to apply the brakes to a proposal to toll nine bridges across Pennsylvania — and come up with a broader plan for financing the state’s transportation needs.

The Pennsylvania Department of Transportation is moving forward with its controversial plan to consider charging tolls on as many as 10 major bridges in the state. But representatives from the trucking industry say tolls would hurt their industry.