A PERSON, or people, may have become trapped within one or more vehicles following a smash on the Hume Highway Outbound Amaroo Ramp at 4pm on Tuesday, July 24.
Following Triple 000 calls, emergency services are responding to reports of a road traffic collision on Amaroo Road and the Hume Highway Outbound Amaroo Ramp.
There are reports that there may be persons trapped within one or more vehicles.
Drivers are advised to take care in the area and avoid where possible as delays may be experienced.
The new law requires all motorists to slow to 40km/h when passing stationary or slow-moving emergency vehicles displaying lights or sirens or risk a $277 penalty.