bike lanes
Marked/dashed bike lane through intersection
Colored pavement through intersection
Bike box
Physical separation of bicycle facilities
Other relevant stuff
bike lanes
Marked/dashed bike lane through intersection
Colored pavement through intersection
Bike roundabouts
Physical separation of bicycle facilities
Other relevant stuff
Somerville
bike lanes
Marked/dashed bike lane through intersection
Colored pavement through intersection
Bike box
Physical separation of bicycle facilities
Other relevant stuff
Cambridge:
Most of not all of those things
Boston:
Bike lanes
Marked lane though intersections
Colored pavement
Bike boxes
Two-stage left turns
Bike signals
Physical separation
Similar to the other bike box, this one is likely installed by the City of Tallahassee
There is a bike box here
City of Portland Bureau of Transportation
Also shows up as "Dutch Countdown Traffic Signal in the US" in Google Maps.
DC has nearly all of these elements
Pittsburgh
Bike Boxes
Colored Pavement
Separate Stop bar locations