The cross-honoring is in effect until the end of the service day on Monday.
Customers can use any NJ Transit ticket or pass on rail, light rail or bus routes, including private bus carriers.
The agency says it is trying to minimize delays and ensure full service in the wake of Sunday's wallop of winter weather.
NJ Transit officials are urging riders to check the agency's website at njtransit.com for up-to-the-minute service information.
