MONTGOMERY CO., Va. -

UPDATE: As of 11:28 p.m., the right lane is open on I-81 North in Ironto.

An RV caught fire Friday night.

It happened near exit 128.

=====================

UPDATE: As of 10:32 p.m., traffic is backed up for three miles.

=====================

An RV is on fire on I-81 North in Ironto.

It happened near exit 128.

The north right lane, right shoulder and entrance ramp or closed.

Drivers can expect delays.