Washington D.C.’s streetcar begins testing October 6, 2014 | North America News Testing has begun on Washington, D.C. streetcar’s first line, which spans 3.9 km (2.4 miles). Overall, the city has planned a streetcar network of 60 km (37.5 miles). Five trams have been delivered so... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password