The three lanes I-40 west are blocked between Exit 293 and Exit 290 Friday afternoon, with traffic in that area down to five miles an hour.
Traffic was also slower in the east-bound lanes around 6:30 p.m. because of onlooker delays.
A vehicle caught fire and spread into the woods, shutting down three lanes of traffic.
You can get constant updates on Triangle traffic here.
Amtrak services are delayed in Morrisville due to a freight trail derailment, authorities said.
1205 Front St., Raleigh N.C., 27609