The prime minister has met with mayors from across England in a bid to boost building and take on blockers.
The meeting focussed on maximising the opportunities of devolution and key issue that matter to local people like building more homes and infrastructure and improving local transport.
The government will back mayors to push through projects that have stalled.
Prime Minister Keir Starmer said: "For too long, Britain has been held back by a system that says no, delaying projects, blocking growth and leaving communities behind.
"We’re turning that on its head by backing our mayors to get Britain building again, with spades in the ground and more jobs across the country. There will always be the naysayers and the blockers, but we cannot afford to give into them - because it will be the next generation that suffers.
"This government is backing mayors with the biggest devolution drive in a generation, putting real power in the hands of local leaders, because those with skin in the game know best what their communities need. That is the right thing to do for communities, and it’s the right thing to do for growth."