UPDATE 7:25 p.m.: According to TDOT’s live SmartWay map, all lanes and congestion has been cleared.

GRAY, Tenn. (WJHL) — A flipped tractor-trailer closed all eastbound lanes of I-26 near Boones Creek on Thursday.

At 5:51 p.m., the Kingsport Police Department issued an alert stating that the westbound lanes of the interstate heading toward Kingsport were “completely blocked by a 4-vehicle collision.” That collision had reportedly occurred near the Eastern Star Road exit.

Police asked that everyone exercise caution and seek alternate routes.

The Tennessee Department of Transportation (TDOT) first reported the tractor-trailer crash in the eastbound lanes near mile marker 16 just before exit 17 at 11:58 a.m., according to its live SmartWay map.

Washington County emergency officials say it is unknown how long it will take to reopen the lanes. TDOT reports congestion beginning near Exit 13 for Bobby Hicks Highway as of 12:11 p.m.

This is a developing story. News Channel 11 will provide updates as we receive them.