![Mountain Line to motorists: When the flashing begins, let the bus in](http://townsquare.media/site/1098/files/2015/12/Mountain-Line-1.jpg?w=980&q=75)
Mountain Line to motorists: When the flashing begins, let the bus in
Mountain Line has launched a new ad campaign asking drivers to “Yield to the Bus,” a reminder of a city ordinance passed in 2009 requiring motorists to allow the buses to merge into traffic.