Three million tons of chalk give birth to rare grassland habitat on HS2's Colne Valley slopes
HS2 excavated chalk is being reused to create a 127-hectare chalk grassland nature reserve beside the M25, with native trees and specialist chalk plants.
London rail updates include Bakerloo extension funding, HS2 construction and controversy, Eurostar restoration benefits, service reliability issues, local redevelopment objections, and passenger safety measures.