(Katherine Frey / THE WASHINGTON POST)

Transit Center’s detour

Political infighting, problematic utilities, red tape, contaminated soil, possibly shoddy concrete work add 9 years, $77M to project.

Blog: Dr. Gridlock

Monitoring the Thursday A.M. commute: MARC issues, River Rd. lanes reopened

We’re keeping tabs on the morning rush hour, letting you know about any issues or delays that could slow your commute.

Bethesda man accused of sexual assault on Metro and in Boston subway

Boston and Metro Transit police say the man arraigned in Boston this week is also a suspect in a 2002 incident on a Metro train.

Keeping tabs on the Wednesday A.M. commute

We’re keeping tabs on the morning rush hour, letting you know about any issues or delays that could slow your commute.

VRE asks to reopen Broad Run station road for afternoon commuters

Piper Lane had been closed because of flooding earlier Tuesday.

Metro riders: Are trains the best weekend option?

Metrorail delays — scheduled and unscheduled — make weekend transit unreliable. So why do so many still ride?

More blog posts

drgridlock

#MARC Brunswick Line train 872 is canceled this morning, while trains 892 and 894 on the same line are expected to run 25 to 30 minutes late

drgridlock

#MARC Brunswick Line train 872 is canceled this morning, while trains 892 and 894 on the same line are expected to run 25 to 30 minutes.

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postmetrogirl

RT @michaelbolden: Snoring dispatcher heard on 911 call http://t.co/2JPWnPZX

postmetrogirl

#wmata - Bethesda escalator service is back, Metro says.

postmetrogirl

#wmata - One by one Bethesda escalators are coming back. Two escalators are now back in service. Crews working on the third.

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wmata

Judiciary Square's 4th Street entrance is closed due to police activity. The F Street entrance remains open.

wmata

30-Lines, E-Lines, N-Lines, T2: Due to police activity at Friendship Hts Metro, passengers will board buses at Wisconsin & Western Aves.

wmata

30-Lines, E-Lines, N-Lines, T2: Due to police activity at Friendship Heights Metro, buses will board passengers on Wisconsin & Western Aves.

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Chat with Dr. Gridlock

Chat with Dr. Gridlock

Have questions about Metro, traffic or transportation in general? Dr. Gridlock will be online Mondays at noon to answer questions. You may also peruse past discussions about traveling around the Beltway and beyond.

Biking in Washington

Biking in Washington

Get the latest news about navigating the city on two wheels.

Photo Galleries

The National Zoo’s new cheetah cubs

A dramatic rescue saved these two cheetah babies and their distressed mother giving birth.

Inspiring graduation quotes 2012

Highlights from this year’s notable commencement speakers.

For plebes, it’s a slippery struggle to the top

At the U.S. Naval Academy, the freshman class attempts to climb the Herndon Monument.

Pit bulls on parade

Pit bull owners and advocates take their dogs out for a walk in Baltimore to show off the pet’s gentler side.

Air show at Andrews

The frequency of the show has been cut, but not the spectacle.

A tribute to fallen, and the tune that calls them to rest

Musicians gathered to play the bugle call taps at Arlington Cemetery.

Transgender at five

“I am a boy,” she insisted at age 2. Her parents eventually concluded she wasn’t just a tomboy.

Students, pros team up for a fishing trip

Students from across the Washington area joined professional anglers on the Potomac on Friday.

Our Washington

Post photographers are sharing their favorite area locations.

More photos