Today is National Trails Day
Which would be a great day to bring attention to the need to expand "trails" or separated rights of way for walking and biking, and the need for integrated bikeways networks in metropolitan areas.
-- National Trails Day website
-- American Trails website
E.g., "Celebrate National Trails Day June 7 at These Trails and Events" from the Boston Globe.
(I haven't checked the draft DC master transportation plan yet to see how it weighs in on this issue.)
Star Spangled Banner National Historic Trail and the Anacostia Water Trail.
Maryland especially will have a number of events from June through September commemorating the events in 1814 from War of 1812 events--the sacking of Washington and the defeat of the British in Baltimore.