The US is car country. Its 4.1-million-mile road network is the world’s most expansive. It has more motor vehicles per person than any other major nation. Eighty-six percent of Americans drive to work (or did during the Normal Times), compared with 63 percent of English workers and 71 percent of Australian commuters. A pop song called “Driver’s License,” about the freedom and heartbreak that comes with a rite of young adulthood, has spent 11 weeks on the Billboard Hot 100. Only in America.

So President Biden’s proposed $2 trillion infrastructure program is most notable for one fact: It allocates more money to transit and rail than to highways. Budgets may make for boring reading, but they’re also signaling documents, telling the public about their leaders’ priorities. The infrastructure proposal seems to say: Consider getting your butt out of your car.

“The plan seems to take seriously the idea that we need to be investing more in our transit and intercity rail system than we do in our highway system,” says Yonah Freemark, a senior research associate at the economic policy think tank the Urban Institute who studies land use and transportation. He says the proposal would double typical federal spending on transit and quadruple the government’s investment in rail.

The justification is climate change. Biden said on Wednesday that the plan would “lead to a transformational progress in our effort to tackle climate change with American jobs and American ingenuity.” If the plan makes it into law—which won’t be easy; more on that later—it would count among the federal government’s largest pushes ever to combat greenhouse gas emissions. The president has promised to put the country on a path to net-zero carbon emissions by 2050.

Achieving that goal would mean lots of changes, starting with revamping the country’s transportation system. Researchers at Carnegie Mellon University have concluded that, sure, shifting to electric vehicles from ones powered by internal combustion engines would help a lot. So would convincing people to share electric robotaxis. But that will take decades. In the meantime, they say, Americans will need to reduce the number of miles they drive, too. That means, in part, finding alternatives to the car: walking, biking, and public transit. The US Department of Transportation estimates that the typical city bus emits one-third fewer greenhouse gas emissions per passenger mile than the average single-occupancy vehicle, even though buses are usually only a quarter full.

Biden’s proposal would direct $85 billion over eight years to public transit for expansions and repairs. It would move $80 billion to intercity rail, both to fix today’s Amtrak and to connect new cities. It would direct $174 billion to electric-vehicle-related investments, including funding to replace 50,000 diesel transit buses with electric ones. Those would probably cost about $38 billion, says Jeff Davis, a senior fellow at the Eno Center for Transportation, a think tank.

By contrast, the proposal directs $115 billion to the “modernization” of bridges, highways, and roads. That would still raise the federal investment compared with previous plans, but only by 46 percent, according to Davis.

For transit agencies, the additional money would be significant. The US spends about $60 billion a year on public transit, with the feds covering 20 percent, states 20 percent, and local government about a third. (The other quarter comes from fares.) Doubling the federal contribution will allow many agencies to do things that make transit a more viable option, like fixing shoddy and outdated technology and equipment and running more frequent buses and trains. But even the billions promised would not be enough to fundamentally shift the country’s transportation system. New York’s four-year capital plan, for example, pledges $51.5 billion for maintenance, repair, and new projects—and that’s just one system.

Intercity rail, meanwhile, stands to get a serious shot in the arm, an appropriate proposal from Amtrak Joe. Amtrak responded to the proposal Wednesday by releasing a map of more than 30 potential new routes, including connections cities such as Phoenix, Las Vegas, and Cheyenne, Wyoming.