In Riverhead, non-essential travel is banned through 6 p.m. today, Town Supervisor Jerry Halpin told NewsdayTV.

"Our main roads are [the highway department's] focus right now. They're assisting our emergency management services … and fire and police," he said.

Elsewhere in Suffolk County, a countywide travel ban is in effect until noon.

Halpin said that Town Highway Superintendent Mike Zaleski told him the storm was "the biggest storm he'd seen" in 30 years of service, with the worst conditions on roads north of Route 25.

"If you're going to shovel, take your time. If you're going to clear your hydrant, take your time, but stay inside," Halpin said.

All Riverhead Town offices are closed Monday.

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