What you need to know if traveling through Monday

NEW YORK (WABC) -- A winter storm that caused treacherous conditions across much of our area on one of the busiest travel days of the year is expected to cause continued difficulty Monday.

Precipitation began Sunday in the form of a wintry mix in New York City before changing to rain, but more ice and snow north and west led to slick roads in many areas.

The powerful storm made its way east from California and is causing major disruptions around the country as people headed home after Thanksgiving.

RELATED: Weather alerts from the National Weather Service

The storm that hit much of the central U.S. with blizzard conditions Saturday is bringing snow, ice and the potential for flash flooding in a large portion of the Northeast.

The National Weather Service said travel could become impossible in some places.

The weather was particularly disruptive on Sunday as millions of holiday travelers headed home. Airlines for America, the airline industry's trade group, expected 3.1 million passengers during what could be the busiest day ever recorded for American air travel.

By Sunday afternoon there were over 500 canceled flights in the US, and the FAA said some flights heading to Newark were being delayed by an average of more than 2 1/2 hours.

New York Governor Andrew Cuomo placed National Guard personnel on standby and activated the state's Emergency Operations Center to enhanced monitoring mode as the storm arrived in the state.

Bus service was cancelled out of Port Authority in New York City to Binghamton, Rochester, Buffalo, Ithaca and Syracuse.

Winter Storm Warnings are in place across the tri-state area through Tuesday.

In addition, The New Jersey Department of Transportation (NJDOT) Commissioner issued a commercial vehicle travel restriction on portions of I-78, I-80, and I-287 starting at at 12 a.m. Monday.

The restriction applies to the entire length of all Interstate Highways in New Jersey including:

Interstate 80, both directions from the Pennsylvania state line to exit 43 (I-287)
Interstate 78, both directions from the Pennsylvania state line to exit 29 (I-287)
Interstate 287, both directions from exit 21 (I-78) to the New York border

The commercial vehicle travel restriction in New Jersey applies to the following vehicles:

All tractor-trailers
Empty straight CDL-weighted trucks
Passenger vehicles pulling trailers
Recreational vehicles

The restriction DOES NOT apply to:
New Jersey Turnpike
Garden State Parkway
Atlantic City Expressway


LaGuardia Airport
Newark Airport
JFK Airport


NJ Transit

(The Associated Press contributed to this report.)

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