A truck on I-70 near Brownsville in Licking County overturned this morning and backed up traffic for miles. The wreck happened in the westbound lanes in eastern Licking County around 8 a.m. Authorities were forced to close the westbound lanes of I-70 for around four hours. Traffic was backed up today 20 to 25 miles. Drivers had to take a detour onto state route 668 to U-S 40 to state route 13 back to I-70. No word yet on how the accident happened or injuries.