The Capital Trails Coalition released a map today that looks a little like Pac-Man is trying to munch his way through Mario World. It is actually, however, the diagram of a grand vision for a hyper-connected regional trail network.

The map details 436 miles of trails that currently connect the District and five surrounding jurisdictions, along with 302 miles that are underway or being considered by planners.

“The most important thing is that it shows the really bold vision that we haven’t seen up until this point for a trails network in the region,” says Katie Harris, the Capital Trails Coalition coordinator with the Washington Area Bicyclist Association. “We know how much impact they have from a public health perspective and a transportation and recreation standpoint.”

Funded by a grant from REI, the three-year-old Capital Trails Coalition has brought dozens of public agencies, non-profits, business improvement districts, and other groups together to foster cooperation between the disparate jurisdictions with the aim of making the regional trail network more robust.

“We want to be thinking about these big spine trails, the sort of transportation superhighways for people who walk and bike,” Harris says, rather than small neighborhood trails.

The map shows both how much has already been done, and the ways to go.

The coalition included planned trails, represented as dotted lines, that are included in approved jurisdictional plans, though they won’t necessarily all come to fruition. The group is in the process of sorting through and prioritizing them. It’s not a small job; the 302 miles are split up into 152 distinct projects, according to Harris.

“A lot of trails within the network are very short connectors—maybe a third or half mile connection, where we have two existing trail segments on either side but that last little piece needs to be done for connectivity to happen,” she says. “There’s a huge range of type of projects. Some are low distance, but high impact. Some are really long but fairly low impact.”

While the National Park Service, D.C., and several counties have their own maps and plans, the coalition’s effort brings them all together in a comprehensive fashion.

“No trail planning effort of this scale has happened in the region,” Harris says. “Throughout the region we know that there’s a huge demand for trails. When they stop at the county line, it’s not because the people in the county next door don’t want them. Sometimes it comes down to lack of coordination.” And that’s what they are hoping to change.