|Location Map ( geo)|
|To:||County Boundary (TL492159)|
|Distance:||1 km (0.6 miles)|
|Route outline (key)|
The C90 is a class III road which runs north east from Sawbridgeworth to the county boundary with Essex.
The road is interesting as it is an isolated stretch in Hertfordshire; the road where it commences at the south is also maintained by Essex Council.