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CLEVELAND -- More than 80 Ohio Department of Transportation plows are on the streets in Northeast Ohio.

How was your ride into work or school today?

Drivers in the area, which includes Cuyahoga, Lake, and Geauga counties, have been working12-hour shiftssince Saturday. Single-digit temperatureshave beena special challenge.

Ordinary salt is not effective and so, in some cases, has to be combined with liquid calcium chloride.

Mid-morning Tuesday, drivers on I-480 westbound -- east of the big Valley View bridge and Transportation Boulevard -- reported major delays whenthe surface of a smaller bridgere-froze. Traffic was slowed to a 5-mile-an-hour crawl for miles.

Tune in to Channel 3 News at 6 p.m. for updates on local road conditions and more on ODOT's strategy for dealing with Northeast Ohio's latest winter blast.