 North of the overlap, PA 36 traverses the downtown areas of the city via Union Avenue and 18th street.Running on a west direction, 18th Street leads PA 36 out of Altoona, into the Appalachian Mountains and rural areas.Near the Cambria County line, PA 36 has the first of five wrong-way concurrencies with PA 53 for a block in the hamlet of Ashville.