CHOP's Department of Child and Adolescent Psychiatry and Behavioral Science provides evaluation and treatment for children with psychiatric conditions and behavioral or emotional difficulties. Parking & Directions The main patient parking lot can be found on the north side the building, with the entrance on Haverford Ave between N. 46th and N. 48th streets (set your GPS to 4650 Haverford Ave). Once you are parked, proceed toward the building and head down the stairs. CHOP patients and families will enter the building via the left entrance specifically labeled for CHOP. Once inside, proceed to the elevators and go to the third floor. Handicapped parking is available off N. 46th street. Proceed to the CHOP entrance on the north side of the building, then go to the third floor. For families arriving via the Market-Frankford Line, walk north on N. 46th street to the handicapped parking lot. Walk through the lot entrance to the CHOP entrance.