pennsylvania route 39 (pa 39) is a state highway located in dauphin county, pennsylvania, united states. pa 39 begins at north front street near harrisburg and ends at u.s. route 322 and u.s. route 422 near hummelstown and hershey. the route passes through the northern and eastern suburbs of harrisburg and passes by hersheypark, giant center, as well as the primary production factory for the hershey company. between harrisburg and manada hill, it is known as linglestown road, from manada hill to hershey as hershey road and from hershey to near hummelstown and hershey as hersheypark drive. prior to the establishment of pa 39 in 1937, pa 39, had previously been designated as a route in northeastern pennsylvania during the 1920s. that designation was deleted when it was renumbered us 11. as a result, pa 39 is one of a few routes which has a set of child routes which are no where near the primary route.