Beginning 7/17/13 at approximately 11:00 pm to 12:00 am the west bound ramp to SR78 from SR501 and the east bound off ramp from SR78 to SR501 will be closed. This closure will take place for 5 days, ending 7/22/13 at approximately 12:00am. The detour for SR501 to access SR78 west bound will be the east bound ramp to SR78 and to utilize the Midway interchange to loop around and pick up SR78 west bound. The detour for SR78 east bound to access SR501 will be to utilize the Midway interchange to loop around and pick up SR78 west bound, back to the SR501 exit.Following the completion of the above construction, east bound ramp to SR78 from SR501 and the west bound off ramp from SR78 to SR501 will be closed. Tentatively scheduled for 7/22/13 – 7/27/13. The detour for SR501 to access SR78 east bound will be the west bound ramp to SR78 west bound to access SR501 will be to utilize the Frystown SR645 interchange to loop around to pick up SR78 east bound to the SR501 exit.Construction activity will be performed around the clock; the temporary traffic signal will remain in service along with flaggers as needed for safety. Expect minor delays.Regarding the current truck detour route for the Pine Grove Industrial Park for the SR645-01B bridge project in Schuykill County that uses the SR501 interchange will follow the SR501 detour to regain access back on to SR501.