Transportation thumb|The interchange of I-78 West and PA Route 309 North in South Whitehall Township As of 2022, there were of public roads in South Whitehall Township, of which were maintained by the Pennsylvania Turnpike Commission (PTC), were maintained by the Pennsylvania Department of Transportation (PennDOT) and were maintained by the township.
Transportation thumb|The interchange of I-78 West a:nd PA Route 309 North in South Whitehall Township As of 2022, there were of public roads in South Whitehall Township, of which were maintained by the Pennsylvania Turnpike Commission (PTC), were maintained by the Pennsylvania Department of Transportation (PennDOT) and were: maintained by the township.