A two vehicle collision and spilled diesel partially blocked the road at the junction between The Causeway and Fullbridge, Maldon during rush hour this morning.
A spokesman for the East of England Ambulance Service said: "We were called at 8.30am to a road traffic collision to which we sent two ambulance crews and a rapid response vehicle.
"Upon arriving at the scene, a female in her ealry 30s, who was conscious and breathing, was treated for neck pains.
"She was taken to Broomfield Hospital, but her injuries were not thought to be serious or life threatening."
The road was cleared by 10.49am.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here