The cut over Sideling Hill passes over the Sideling Hill Tunnel. The I-68/US 40 roadway passes through a deep cut in Sideling Hill. On July 6, 1885, a blast occurred at the end of the Sideling Hill Tunnel. At this point, the byway follows US 40 Scenic and crosses Sideling Hill. The portion between Launceston and Scottsdale runs through the Sideling Range. In 1995, a farmers market was introduced to the Sideling Hill service plaza. Passing lanes in length were added on Sideling Hill around 1942. I-68 crosses into Washington County at Sideling Hill Creek and ascends Sideling Hill. Past PA 731, I-70 crosses Sideling Hill and comes into Bethel Township. The Rays Hill Tunnel, and the Sideling Hill Tunnel. Past this interchange, the road crosses Sideling Hill Creek. The Ray's Hill Tunnel and Sideling Hill Tunnel are now part of the Pike2Bike Trail. The railway station was first called Sideling Creek Station, later renamed as Narangba. The Sideling Hill Tunnel is the longest overall, but was abandoned in 1968.