It is the only parkway in the state of Kentucky to be almost exclusively two-lanes with the occasional truck lanes on the hills.
The project will redesign the PA 737 interchange, add truck lanes, and raise the height of three overpasses.
A highway agency can require grinding only on the truck lanes of a four-lane divided highway, presenting a significant cost advantage.
This hill is often backed up due to slow trucks, especially on the westbound side where there is no additional truck lane.
The trucking lobby is opposed to new tolls but might accept them if they paid for designated truck lanes, he said.
The roadway consists of four lanes and a truck lane.
Plans also call for a widening of the street to accommodate a bike path and a truck lane.
The tollway portion would have been divided into two separate elements: truck lanes and lanes for passenger vehicles.
The highway was widened in the late 1980's, providing separate car and truck lanes down to 8A.
The freeway portions would be divided into two separate elements: truck lanes and lanes for passenger vehicles.
