I <3 community walk
When you work on projects that involve a lot of mapping, you learn to love mapping tools. There may be better ones out there, but I have grown fond of Community Walk. I just used them to do a quick map of the Highbridge project, I See You in Me (The Path of Water in NYC):

I did it mostly to get a guess of how long the project will need to be, about a mile. Sure after a more than 70-mile long project, it seems easy, but this one is a little more work intensive…
More images/information on the project.