WASHINGTON — Slower speed limits are coming to Fairfax County.
Four zones in northern Virginia will reduce their speed limits from 25 to 20 mph, according to a pilot study program announced by the Fairfax County Department of Transportation.
The program will run from summer 2026 into early 2027. Whether these 20 mph zones are permanent will be partly in the hands of the same Fairfax County communities, though…