Abilene, TEXAS -

A scary-looking accident on I-20 early Monday morning could have ended much worse.

A semi struck a guard rail and ended up on its side.

It happened around midnight on I-20 near the Denny's -- at mile marker 278.

The semi was the only vehicle involved in the crash.

Police say the driver fell asleep before crashing.

Luckily, that driver walked away without a scratch.