The Pennsylvania Turnpike Commission is reminding drivers of ramp closures between Route 903 and southbound Interstate 476. Southbound motorists on the Pennsylvania Turnpike Northeast Extension can’t exit at Route 903 in Carbon County, and drivers on Route 903 won’t be able to get on I-476 south until May 2nd. The closure is part of the ongoing transition to open road tolling. Northbound ramps will be shut at a later date.