â¢ Invest Â£2 billion in cycling and walking, building first hundreds, then thousands of miles of segregated cycle lane and more low-traffic neighbourhoods with the aim that half of all journeys in towns and cities will be cycled or walked by 2030. As announced in the Transport Decarbonisation Plan, we will create at least one zero emission transport city. Net Zero Strategy: Build Back Greenerâ¢ Invest Â£3 billion in the National Bus Strategy, creating integrated networks, more frequent services, and bus lanes to speed journeys, and support delivery of 4,000 new zero emission buses and the infrastructure needed to support them.