PORTLAND, Ore. -- While the early evening commute mostly went by without a hitch, traffic was at a gridlock on many roads after 8 p.m.

Interstate 84 was closed in both directions at about 10 p.m. from Troutdale to Hood River. It reopened Wednesday afternoon. Check TripCheck for latest road updates

In Portland, drivers on all state highways were required to use chains or traction tires beginning at 10:30 p.m.

Southbound I-5 was at a standstill for times. Cars were once again stuck on Highway 26, much like they were during a snow storm this past December.

A bus spun out and blocked southbound I-405 near the Burnside overpass.

The Portland Bureau of Transportation is requiring chains for drivers on West Burnside.

TriMet is advising people to avoid travel if necessary as some bus lines have been stopped, others moved to snow routes, and some delayed. Some MAX train routes have also been disrupted. They recommend checking your route before heading out. Click here for TriMet alerts

The morning commute is likely to be difficult with inches of snow still on the road. Most school districts, including Portland, Beaverton, North Clackamas, Vancouver and Lake Oswego are closed on Wednesday.

Click here for list of closures