WASHINGTON — While July 4 falls on a Saturday, many are taking July 3 as a holiday. Here’s what is closed and how parking and transit are affected.

CLOSED ON JULY 3

• Federal offices closed.
• Local government offices closed, except for emergency and essential services.
• Schools closed.
• Courts closed, except lockups and arraignments.

Parking and Transportation changes

• In D.C., no parking enforcement, except near Nationals Park, RFK Stadium and along Constitution Ave. parade route.
• In Maryland, no parking fees, except at the New Carrollton garage, National Harbor and the Prince George’s Department of Corrections.
• In Virginia, HOV restrictions lifted. Holiday regulations in effect.
• No meter enforcement in Arlington and Alexandria on Friday and Saturday.
• Metrorail will be open until 3 a.m., with free parking.
• Operating on a Saturday schedule are Metrobus and Ride On.
• MARC‘s Penn Line is on a Saturday schedule. MARC’s Brunswick Line is on an “S” schedule. No Camden Line service.
• Fairfax Connector on a holiday weekday schedule.
• PRTC OmniRide is on a modified schedule.
• MetroAccess has regular service hours.
• Operating on a Sunday schedule is DASH.
• Not in service: VRE; The Bus; Loudoun Bus; MTA commuter services.