On Tuesday, we posted our thirty-first photo challenge to see how well you know Metro. I took five photos in the Metro system. Here are the answers. How well did you do?

This week proved to be harder than I’d anticipated. While we got 27 guesses, only one person got all five right. Congratulations to our reigning champion, Peter K!

Image 1: Farragut North

The first image shows Farragut North. Twenty-four of you knew this. Farragut North has a unique design, with a mezzanine that is almost the full width of the vault while most of the space above the platform is open to above. One person guessed L’Enfant Plaza, and while the transfer stations do have full-width mezzanines, this can’t be one of those because the Red Line is never on the lower level (where the island platform is).

Image 2: Southern Avenue

This picture shows the eastern end of Southern Avenue station. Only 14 correctly guessed this one. The primary clue here is the bridge, which carries the bus loop over the tracks. However, if you look closely at the pylon on the platform, you can see a green dot, which narrows this to one of the above-ground stations in southern Prince George’s County.

Image 3: Friendship Heights

The third image, surprisingly, proved to be the most difficult. Just two of you correctly answered Friendship Heights. This image was taken in the elevator lobby at the southern (Jenifer Street) entrance to the station. This entrance is an elevator-only entrance and was added after the station opened. One subtle clue is the vault wall, which is barely visible in the distance. That’s enough to show that this is either an Arch I or Arch II station. But the distinctive ceiling in the elevator lobby is the primary clue.

Image 4: King Street

The fourth image shows the underside of the King Street station. The vantage point is from the corner of Commonwealth Avenue and Cameron Street. The station structure tells you that this is an island platform station. The brick sidewalks and buildings at far left are hints that this is in Alexandria. One other hint is the wall along the tracks, which is solid at the top, but transitions to a metal railing midway across the picture. Fifteen of you got this one right.

Image 5: Columbia Heights

The final image shows the brand new escalators at Columbia Heights. Only three stations have new escalators like these, with silver sides and bright clusters of LED lights. You can eliminate Bethesda because close inspection of the ceiling will reveal six coffers, making this an Arch II station. Between the other two, Columbia Heights and Petworth, it’s hard to pick, but Columbia Heights has a slightly flatter vault than other Arch II stations. However, if you guessed Petworth, don’t feel too bad, since it looks very similar. Twelve people got Columbia Heights right.

One note: commenter Frank IBC asked whether there’s a penalty for not using the full name of the station. There is not. As long as you pick just one station and I know which one you’re guessing, it counts. (It does not count if you say, “I know it’s one of these three.”)

Thanks to everyone for playing! Great work. Stay tuned. We’ll have five more images for you next Tuesday.

Matt Johnson has lived in the Washington area since 2007. He has a Master’s in Planning from the University of Maryland and a BS in Public Policy from Georgia Tech. He lives in Dupont Circle. He’s a member of the American Institute of Certified Planners, and is an employee of the Montgomery County Department of Transportation. His views are his own and do not represent those of his employer.