MBTA March 10, 2023 6:07 am Speed Restrictions on Red, Orange, Green and Blue Lines The speed restrictions, which are between 10 and 25 miles per hour, were announced Thursday evening and were effective immediately on the Red, Orange, Blue and Green Lines, the MBTA announced. US & World Videos 2:09 President of MIT calls for shutting down pro-Palestinian encampments 1:00 Three dead in apparent murder-suicide in Lowell 3:05 100 protesters detained at Northeastern University 2:39 Community mourns police sergeant killed on duty 2:50 Community mourns Billerica police sergeant killed on duty