Gatso Speed Camera on B197, Welwyn (30mph)

30mph speed limit Gatso speed camera

This Gatso speed camera is located on B197 near Welwyn in Hertfordshire, monitoring both directions traffic with a 30mph speed limit.

On the B197 between the Clock Hotel Roundabout at Welwyn and the village of Woolmer Green on the B197. The cameras are located as follows, on heading northbound adjacent a school entrance, one after the crest of a hill about 1m northbound and one looking southbound adjacent the turning for Mardeley Avenue. The limit is a 40mph zone due to school and shops and has a lot of small children in the locality. Cameras are fairly visible, however there is some growth of a hedge covering the 1st northbound camera by the school entrance.

Camera type
Speed limit
30mph
Direction
Both directions
Road
B197
Nearest town
Welwyn
Last updated
15 May 2026
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Location reference: EEH009

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Gatso speed cameras

This camera is a rear-facing Gatso - one of the most common types in the UK.

If you saw a double flash, it likely recorded your speed.

Read more about Gatso speed cameras and how they work.

SpeedCamerasUK video guide