There have been a lot of interesting, local ideas about the future of public transportation in the D.C. metro area floating around the internet this week, so Transit on Thursday has gathered them all up for your perusal. As a starting point, Dr. Gridlock (Robert Thomson) of the Washington Post posted a very detailed map that outlines the next big forays in D.C. area transit - streetcars and bus rapid transit, or BRT. Of course,......