The building at the end of Pennsylvania Route 3 was built in what year?
Pennsylvania Route 3:  In Philadelphia, the route follows multiple one-way pairs, running along Chestnut Street and Walnut Street in West Philadelphia before heading into Center City Philadelphia along Market Street and John F. Kennedy Boulevard and ending at Philadelphia City Hall. Philadelphia City Hall: Philadelphia City Hall, built in 1901 and located at 1 Penn Square, is the seat of government for the city of Philadelphia, Pennsylvania.
1901