Travel restrictions, mass transit changes in place for Wednesday

Forecasters are tracking heavy snow for the area on Wednesday. Here's everything you need to know about how the storm will affect travel and mass transportation across the region:

MASS TRANSIT

Nite Owl bus service for the Market-Frankford and Broad Street Lines--SEPTA's two busiest routes--will operate on Tuesday night. However, 24-hour train service will be in operation Wednesday night through Thursday morning on the Market-Frankford and Broad Street Lines. There will be no overnight Nite Owl bus service; trains will operate every 20 minutes through the night.

On Wednesday, March 21, SEPTA will activate its Regional Rail Severe Storm Service Plan. Lines will operate on a Saturday schedule with the exception of the following:

Snow could also impact the Norristown High Speed Line. The NHSL will operate every 20 minutes; however, snow accumulations near eight inches can cover the electrified third rail. In that case, service will most likely be suspended to avoid trapping vehicles.

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TRAVEL RESTRICTIONS

Starting at 8 p.m. on Tuesday, PennDOT will impose a ban on a ban on empty straight CDL-weighted trucks, tractors hauling double trailers, tractors hauling empty trailers, trailers pulled by passenger vehicles, pick-up trucks, motorcycles and recreational vehicles, or RVs, on:

A full ban on commercial vehicles will also be imposed on:

Restrictions will remain in place as long as warranted through the storm. As conditions develop, speed restrictions and wider truck and vehicle bans will be considered on these routes.