Credit: The first part of the 13th Metro track-work surge. (Courtesy WMATA)

WTOP track work guide: 13th surge, March 4-April 12

By the numbers: Most congested types of roads in Northern Va.

Metro GM: Union’s anti-OT push could be unlawful, disruptive

Rockville Pike intersection road work completed

Va. gives up on some I-95 tolls

Overnight road closures planned for bridge near Pentagon