December 1, 2017 5:40 pm New Boston Parking Signs Causing Massive Confusion The shades of green show when drivers can park there and the red shows when they cannot. However, the structure has plenty of struggling to understand what it all means. US & World Videos 4:17 Police presence grows at pro-Palestinian encampment at Northeastern 5:39 Billerica police sergeant hit and killed by excavator during construction detail 2:31 Celtics preparing for pivotal Game 3 against Heat in Miami 2:37 Quincy detective resigns amid allegations of ‘unwelcome, sexually explicit conduct' 4:07 Officer hit and killed while working construction detail in Billerica, authorities say