2 critically injured after accident on Hwy 377 in Brown County

BROWN COUNTY, Texas - Two people suffered very critical injuries on Wednesday evening after their box truck hit two 18-wheelers near Brookesmith on Hwy 377, according to the Department of Public Safety.

DPS received the 911 call of the accident at 5:25 p.m. and shut down portions of hwy 377 for about an hour and a half. The incident happened less then half a mile north of the cut off to Brookesmith.

The driver of a box truck was traveling southbound on Hwy 377 when it went into the opposite lane and struck a silo an 18 wheeler was hauling, according to DPS.

PHOTO GALLERY: http://www.ktxs.com/news/photos-2-people-critically-injured-in-a-wreck-on-hwy-377-in-brown-county/590342411

The box truck immediately came back over to the northbound lane and then went into the southbound lane again, side-swiping the second 18-wheeler all the way down until it crashed into someone's property, according to DPS.

DPS doesn't know why the truck went into the opposite lane.

Both the passenger and driver are being treated for very critical injuries.

The passenger was transported at the scene by helicopter to San Angelo Shannon Medical Center.

The driver was taken by EMS to Brownwood Regional Medical Center, and flown by helicopter to another hospital, according to DPS.

DPS said the box truck's driver will be cited for driving on the wrong side of the road.

Both drivers of the 18-wheelers weren't hurt in the accident.

DPS hasn't identified the two occupants of the box truck yet. Highway troopers also don't know where the two were traveling to or from.

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Authorities are urging drivers to avoid Highway 377 just north of Brookesmith after an accident with entrapment Wednesday evening.

Both lanes were closed and the stretch of highway between Brownwood and Brookesmith was shut down as of 6:30 p.m.

Two Air Evac helicopters have been called to the crash.

KTXS is on the scene and will update this article as more information becomes available.