Credit: Don't let deadlines catch you off-guard: Primary voting season is underway in D.C., Virginia and Maryland, and these are the dates you need to know.

Mark your calendars: Important dates for local primary elections

Virginia primary election guide 2018

2018 Va. Primary Guide: 10th District Democrats’ differences lie in their backgrounds

2018 Va. Primary Guide: Comstock faces 10th District GOP challenge

2018 Va. Primary Guide: Democrats in 7th District focus on health care, rural broadband

2018 Va. Primary Guide: 1st District Democrats focus on health care, transportation