We already are. At the national level, there is a High Speed Rail lobby group http://www.ushsr.com/
At the local level, it is up to you. In my city of Pittsburgh, we are removing parking and expanding transit access and bike lane coverage. But there is still a lot to be done, so I am advocating for change by participating in groups and contacting my city councilman.
At the local level, it is up to you. In my city of Pittsburgh, we are removing parking and expanding transit access and bike lane coverage. But there is still a lot to be done, so I am advocating for change by participating in groups and contacting my city councilman.