5/7/2021 · Septam Trolley Tunnel will be closed for 17 days starting this Friday. July 5, 2021. The Septam Trolley Tunnel, which connects West Philadelphia and Center City, will be closed for more than two weeks starting Friday, July 9. This means that trolley routes 10, 11, 13, 34 and 36 will temporarily detour to No. 40 and the market.