Groundwork for possible car-free living along Colorado’s Front Range got done Thursday as Gov. Jared Polis signed four bills into law to boost public transportation. The new laws let state leaders pump tens of millions into transit projects, foremost a multi-billion-dollar rail system linking Denver, Boulder, Fort Collins and, eventually, Colorado Springs and Pueblo. Polis rode a Regional Transportation District B-Line train from Westminster to Union Station Thursday and signed the following measures: — SB24-229 – A crackdown on air pollution from oil and gas production.