 From here , the freeway curves to the northeast and passes under the Reading Line , heading into commercial areas within Muhlenberg Township and coming to a partial cloverleaf interchange with PA 61 that has an eastbound exit and a westbound entrance along with an eastbound entrance from northbound PA 61 . The PA 61 south exit provides access to FirstEnergy Stadium , the home ballpark of Minor League Baseball 's Reading Fightin Phils . The route passes under Norfolk Southern 's Pottsville Branch and comes to a partial cloverleaf interchange with US 222 Bus . ; this interchange provides access from westbound PA 12 to PA 61 and northbound US 222 . Past this interchange , the freeway passes near more development , reaching a diamond interchange with 11th Street . PA 12 heads into more wooded surroundings and curves northeast . The route comes to a partial cloverleaf interchange with Spring Valley Road and continues into Alsace Township , where the freeway ends . 
