Inquiries are continuing after a truck crashed through a guard rail on the M1 near Morisset yesterday afternoon (Wednesday 24 February 24 2016).

About 3.30pm emergency services were called to the northbound lanes of the M1 near Bushell’s Ridge.

A B-double carrying a load of steel had left the road and went down an embankment.

Passing motorists came to the male driver’s aid.

A roadside breath test returned a negative result.

The man was assessed on site by NSW Ambulance Paramedics. It is understood he did not require hospitalisation.

Police believe the man had a medical episode at the time of the crash.

The truck was recovered from the crash site last night.