The North Las Vegas Fire Department investigated a possible hazardous materials incident, which caused road closures near Apex on Wednesday morning.
The “hazardous condition” was reported about 8 a.m. on northbound Interstate 15 and Las Vegas Boulevard North, about 25 miles northeast of Las Vegas, according to the Fire Department, which was taking the lead on the investigation.
All roads were reopened about noon, according to the Regional Tranportation Commission.
Fire Department spokesman Nino Galloway said that a tractor-trailer was “leaking material.”
Clark County and Las Vegas fire departments also were assisting with the investigation.
No other details were immediately available.