D.C. Speeding Violations Greater Than 15 mph Over the Speed Limit
Change in Heavy and Light Rail Ridership by Transit System, as created for D.C. Policy Center.
Speed cameras in D.C. - Post for D.C. Policy Center blog
Map of Capital Bikeshare Stations (as of 12/2017).
D.C. and Baltimore Commute Flows, as created for D.C. Policy Center.
Animated chart showcasing each fatal crash in Pennsylvania in 2017.
How many people commute between Baltimore and D.C.? - Post for D.C. Policy Center blog
A heat chart of the average commute length in selected D.C. metro area jurisdictions (using 2012-2016 5-year ACS data), as created for D.C. Policy Center.