A group of 24 councils worried about the environmental impact of Heathrow expansion have called for an independent cost-benefit review of the high speed rail schemes put forward by Network Rail and the Department for Transport.

The 2M Group, which includes Wandsworth Council, wants proposed rail schemes to be tested alongside its own scheme, High Speed North.

For more information visit 2MGroup.org.uk.

What do you think about the plans? Tell us below.