Happy Day After the Fourth of the July, Washington. We hope you managed to get some sleep last night despite the all-night fireworks marathons taking place in many city neighborhoods. Not that we’re complaining — since the view of the National Mall fireworks from the north was largely obstructed by a giant cloud of smoke, locals putting on their own displays pretty much saved Independence Day for many of us. There will be more…

Since our metrorail system lacks flexibility (read: express-local track configuration) to do ongoing track improvements, three-day weekends are often used by WMATA to fix, upgrade or rebuild sections of rail lines. And the upcoming three-day President’s Day weekend is no different. And weekend commuting could be slow as molasses if you’re passing through or going to or from Alexandria. According to WMATA, improvements to the King Street metrorail station in Alexandria will necessatate single tracking…