PA 791 heads north from the southern terminus on Rodi Road, passing through suburbs.[2] At the terminus, the road continues in both directions as US 22 Bus. and as part of the Yellow Belt[3] Shortly after the intersection, it heads under Interstate 376 and receives traffic from exit 80. Two miles to the north, it ends at PA 380 in Penn Hills at a shopping plaza.[2]
History
PA 791 was originally assigned as PA 280, along with the remainder of Rodi Road from US 22 Bus. to Thompson Run Road in Wilkins Township, in 1928. The route was decommissioned in 1946 and the northern segment received its current route number in 1963.[4]