National Highways is to increase the number of wildlife-friendly bridges within the next two years.

National Highways, a government-owned company responsible for England’s major A roads and motorways, has announced it is to construct three additional ‘green’ bridges in the UK.

These include one across the A30 in Cornwall, one as part of the A417 Missing Link scheme near Gloucester and another at Wisley in Surrey as part of the M25 Junction 10 scheme.

These will be in addition to the two that have already been built – over the A556 near Chester and the A21 at Scotney Castle in Kent.

A feature for decades in European countries such as France and the Netherlands, green bridges are car-free zones covered in grass that offer safe crossing points for both wildlife and humans.

Steve Elderkin, director of environmental sustainability at National Highways, said: “While roads have always connected people and places, they are too often a barrier for nature, severing habitats and contributing to the...