The eastbound lane of Pennsylvania Avenue will be closed between JFK and Butterfield from 8:30 AM to 5 PM on Tuesday, September 13. The westbound lane will remain open during this time. Eastbound motorists will need to follow the posted detour. Map available at www.cityofdubuque.org/detours. If you have questions regarding this closure/detour, please contact the City of Dubuque Engineering Department at 563-589-4270. Please note: closure dates/times are estimates and are subject to change without notification based on weather and contractor schedules.