OKLAHOMA CITY (KFOR) – Drivers along northbound I-35 may notice a slowdown on their drive to work Friday morning.
Officials say northbound I-35 was narrowed to one lane near S.E. 89th St. due to a crash.
Investigators say a semi-truck driver fell asleep at the wheel and hit a guardrail, causing it to flip.
The driver is expected to be OK.
Drivers can expect significant delays and congestion in the area through the morning rush hour.