Fix roundabout and exits at O Halloran Circle - segments should be part of the roundabout.

Fix roundabout and exits at Park Avenue Circle - segments should be part of the roundabout.

Fix a merge on I-495

Cleaned up Concord Rotary. Made sure edges go through the roundabout ways.

Added Broadway Gas at Prospect & Broadway

Fix intersection of Beech, Elm, and Willow

Slight cleanup of exit ramp from I-90

Deleted a few lines that had no tags.

Made baseball field area

Fixed roundabout connection in Sedro-Wooley

Add traffic signal

Add Park Road split and turn restriction

Can't turn left from Boylston (Fenway side) to Mass Ave. That would be ridiculous!

Remove bare traffic_signals node.

Add and fixup the roundabout at High Street and Winthrop Street.

Make the Soldiers Field Road Trunk Links into normal Trunks. I do not believe this should be a link because there are at least three primary or greater roads that can be accessed, and it's not a normal "connector" like most links.

Removed temporary one-ways due to extreme snow. http://www.cambridgema.gov/traffic/News/2015/03/EastCambridgeParking.aspx

Fixed building intersecting way #maproulette

Move tunnel from under building. #maproulette

Reviewed some unverified one-ways