Victoria's Class 1 Emergency Preparedness Response Combination network map for vehicle combinations up to 46 tonnes, 3.0 metres wide, 4.5 metres high and 19.0 metres long. This map shows all approved arterial, municipal and Department of Environment, Land Water & Planning (DELWP) roads accessible for emergency services vehicles operating outside of an emergency under permit. Note: This is a mapped network only - Not approved networkAbout This Dataset