Commuters should expect delays Wednesday morning along the eastbound side of Interstate 66 in Fairfax.

There are two incidents involving tractor-trailers along the highway. It’s not immediately known if anyone was seriously hurt. It’s also not clear how long the delays will last.

One crash is on the highway near Nutley Street, and the delays are up to five miles.

Both incidents happened near Nutley Street, transportation officials said.

Drivers should avoid the area.