Tractor-trailer crash closes Route 30 Bypass in Chester County

VALLEY TWP., Pa. (WPVI) -- A crash involving a tractor-trailer shut down the Route 30 Bypass in Chester County on Monday evening.

It happened around 6:45 p.m. in Valley Township.

Chopper 6 video showed the tractor-trailer crashed over a guardrail.

Both directions of the bypass were closed as crews worked to clear the wreckage.

Authorities have not released information about possible injuries.

The cause of the crash remains under investigation.