A transport group has recommended that more funding is needed to encourage people to walk, cycle and use public transport more in south-east Wales.
According to the South East Wales Transport Alliance, a £350 million five-year plan needs to be established in the area to help reduce the number of cars on the road.
Research by the alliance suggested that action needs to be taken as current transport trends cannot continue.
As well as helping the environment, it says its plan would reduce social exclusion and promote health and prosperity.
"Over time an increasing dependence on the car has led to high levels of traffic congestion and an inefficient transport system overall. Traffic congestion costs the local economy £600 million a year," said the report named Moving People.
"Building more and more roads is not an effective solution to these problems, and providing a sustainable transport system which meets Wales' national, international, economic and social needs is the biggest challenge the RTP must tackle."
Return to green news headlines
View Green News Archive