POTTAWATOMIE COUNTY, Oklahoma - Interstate 40 has been shut down at McLoud Road in Pottawatomie County, after a semi-truck hauling about 120 head of cattle overturned Thursday morning.

According to the Oklahoma Department of Transportation, just after 4 a.m., crews closed the eastbound and westbound lanes of I-40 from mile marker 170 to mile marker 178, after a semi tractor trailer overturned in westbound I-40, spilling cattle loose along the interstate. 

Crews reopened the eastbound lanes at about 8:30 a.m. One lane of westbound I-40 reopened at about 10:30 a.m. 

Traffic is backed up in the area. Cattle have been reported up to five miles east and west of the accident scene, according to the Oklahoma Highway Patrol. 

Another truck overturned in the eastbound lanes, trying to avoid an animal.

Authorities said the cattle are presenting a safety hazard to the traveling public. Motorists are advised to use extreme caution in approaching the area. 

Detours are available north on SH-177 to US-62 to SH-102 toward McLoud or north at the Grand Casino exit onto SH-102 to US-62 to SH-177.

OHP troopers said injuries have been reported in these accidents. 

Stay with us for updates.