Victoria's Class 1 Emergency Preparedness Response Combination network map for vehicle combinations up to 78.5 tonnes, 4 metres wide, 5 metres high and 26 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