Turnford Interchange
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| Turnford Interchange | |||
| Location Map ( geo) | |||
 | |||
| Overbridges of the circulatory carriageway with A10 main line passing underneath | |||
| |||
| Location | |||
| Broxbourne | |||
| County | |||
| Hertfordshire | |||
| Highway Authority | |||
| Hertfordshire | |||
| Junction Type | |||
| Modified Roundabout Interchange | |||
| Roads Joined | |||
| A10 | |||
The Turnford Interchange was constructed at the same time as the A10. From the junction, a dual carriageway spur takes traffic to the A1170 at the New River Arms Roundabout. The roundabout itself does not allow for a movement south onto the A10, while the other three movements are accounted for. This is because London-bound traffic from the A1170 accesses via the course of the old A10 from the New River Arms instead.
Routes
| Route | To | Notes |
| Hertford, Ware, Cambridge, Hoddesdon | ||
| access only | ||
| Broxbourne, Wormley, Turnford (A1170) | Spur to the New River Arms Roundabout | |
| access road to west of roundabout |