Travel restrictions, mass transit changes in place for Wednesday

PHILADELPHIA (WTXF) - 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.