Because I'm picky, reverse this segment so the entirety of the C&O Trail is pointing in the direction of increasing mileage.

Remove a stub of the C&O Trail from the route relation so it better shows the contiguous cycling route.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between Fletcher's Landing and the 14th Street Bridge.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between Snake Island and Fletcher's Landing, which seems a reasonable place to start considering the river tidal..

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between Great Falls and Snake Island.

This standalone bit of riverbank doesn't need to be part of a multipolygon relation.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between Dam Number 2 and Great Falls.

A rendering test inadvertantly showed me that I'd made this a bridge instead of a tunnel. Fixed.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between the Monocacy River and Dam Number 2.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between Point of Rocks and the Monocacy River.

Put in ways for the rest of the Appalachian Trail in Maryland. Some is from GPS traces, but most is traced from USGS Topo maps, which probably means the accuracy is atrocious.

Add more ways to the Appalachian Trail route relation.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between Harpers Ferry and Point of Rocks.

Add the Appalachian Trail ways around Harpers Ferry to the AT relation.

Move peak node to NED-indicated peak location.

Road alignments around Harpers Ferry, plus some buildings in downtown Harpers Ferry.

Start a way for the Shenandoah River.

Potomac River bank alignment, C&O Canal alignment, C&O trail alignment, and adjacent road alignment between dam 4 and Harpers Ferry.

Potomac River bank alignment, C&O Canal alignment, and C&O trail alignment between dams 4 and 5.

C&O Trail alignment.