Republican lawmakers are casting doubt on whether an infrastructure package can be completed in conjunction with other transportation and infrastructure priorities, despite interest from both parties in a massive overhaul this Congress.

For Sen. Shelley Moore Capito, R-W.Va., one major obstacle is the fact that Congress is also saddled with passing a bill renewing federal funding for highways. The Surface Transportation Reauthorization and Reform Act of 2015, which authorizes appropriations taken from the Highway Trust Fund, will expire in fiscal year 2021.