• Metro racks up half a million trips on Glenn Beck Saturday. (WMATA on twitter)

• Gabe Klein gives a video tour of improvements on Pennsylvania Avenue SE. (YouTube)

• Greater Greater Washington asks if "useful life"-based replacement is really the solution to Metro's infrastructure problem? (GGW)

• Kid held by Guardian Angels on Green Line is arrested by transit police for simple assault. (Post)

• Laurel's getting bike lanes, with a three-mile stretch set to open in the coming weeks. (Post)

• Howard County remains strangely resistant to speed cameras. (Sun)