Sink hole

There is a sinkhole on a main A road which has been there for nearly 2 months. It is increasing in size. Someone is putting signs and cones but no one is fixing it. It is becoming a danger to road users due to it expanding. This road is used by numerous vehicles to gain access to the local hospital which is an A&E and also used by the ambulance service to gain access to main roads such as the A47 and if not fixed or the road is closed this will delay them attending an emergency.