B4542 Speed Cameras
3 mapped camera locations on the B4542. The most common limit is 30 mph.
- Cameras
- 3
- Most common limit
- 30 mph
- Counties
- 1
- Busiest point, vehicles/day
- 373
Interactive camera map
The map loads when it scrolls into view.
Cameras along the B4542
Watford → Watford · 1 camera sites, heading north
- Start · Watford
- 30
Prestwick Road
mi 0WatfordFixed3 cameras373 vehicles/day
- 30
- End · Watford · about 0 miles of camera coverage
Order and mileage are approximate (straight-line between camera sites). Directions show the direction of traffic the camera is mapped for.
Speed limits at B4542 cameras
Camera types
Fixed
Gatso, Truvelo and similar cameras at one spot
3
100%
Counties along the B4542
Connecting roads with cameras
3 cameras
Hertfordshire
3 cameras
Hertfordshire
3 cameras
Hertfordshire
3 cameras
Hertfordshire, Essex
65 cameras
Kent, Essex, Greater London
60 cameras
Hertfordshire, Bedfordshire, Buckinghamshire
29 cameras · 4 average speed
Hertfordshire, West Midlands, Greater London
17 cameras
Hertfordshire, Bedfordshire
11 cameras
Hertfordshire, Berkshire, Buckinghamshire
Frequently asked questions
How many speed cameras are on the B4542?
There are 3 mapped speed camera locations on the B4542, grouped into 1 camera sites between Watford and Watford. The most common limit at these cameras is 30 mph.
Does the B4542 have average speed cameras?
No permanent average speed cameras are mapped on the B4542, but temporary average speed zones are common at roadworks.
What is the speed limit on the B4542?
Limits on the B4542 change along the route: 30 mph is the most common at its cameras, with 60 mph on single-carriageway sections and 70 mph on dual carriageways unless signed otherwise.
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