New "yellow vulture" speed cameras are being rolled out in the UK.
They are thought to be more discreet than the speed-tracking technology currently used on our roads.
Motorists pictured eating or smoking behind the wheel, or using their mobile phone, will be slapped with a £200 fine and 6 penalty points.
It is not illegal to eat while you are driving, but it can distract a motorist from concentrating on the road.
Provided there are no children in the car it is not an offence to smoke while you are driving.
However, it is illegal to use a handheld mobile when you are behind the wheel.
Currently, the yellow vulture speed cameras have been set up along Gdynia Way, which leads into Plymouth city centre in Devon.
They face oncoming traffic, and an LED box system is positioned 20 yards before them.
What is the national speed limit?
A speed limit of 30 miles per hour (mph) usually applies, unless you see signs showing otherwise.
Here are the national speed limits, according to gov.uk
| Type of vehicle | Built-up areas mph | Single carriageways mph | Dual carriageways mph | Motorways mph |
|---|---|---|---|---|
| Cars, motorcycles, car-derived vans and dual-purpose vehicles | 30 | 60 | 70 | 70 |
| Cars, motorcycles, car-derived vans and dual-purpose vehicles when towing caravans or trailers | 30 | 50 | 60 | 60 |
| Motorhomes or motor caravans (not more than 3.05 tonnes maximum unladen weight) | 30 | 60 | 70 | 70 |
| Motorhomes or motor caravans (more than 3.05 tonnes maximum unladen weight) | 30 | 50 | 60 | 70 |
| Buses, coaches and minibuses (not more than 12 metres overall length) | 30 | 50 | 60 | 70 |
| Buses, coaches and minibuses (more than 12 metres overall length) | 30 | 50 | 60 | 60 |
| Goods vehicles (not more than 7.5 tonnes maximum laden weight) | 30 | 50 | 60 | 70 or 60 if articulated or towing a trailer |
| Goods vehicles (more than 7.5 tonnes maximum laden weight) in England and Wales | 30 | 50 | 60 | 60 |
| Goods vehicles (more than 7.5 tonnes maximum laden weight) in Scotland | 30 | 40 | 50 | 60 |
