Photo: Windmills Blvd in Chandler AZ. This "collector" road has an unusual configuration: a wide travel lane (~ 16 feet) next to a designated bike lane.
Note that in AZ, bike lane use is not mandatory. However when going "less than the normal speed of traffic", a bicyclist must be as far right as practicable, unless some other exception exist)(e.g. preparing for a left turn). -- somewhere near the gutter seam.
Note that this position is the worst place to be for common motorist errors, drive out, and right/left hooks.
Photo: Mill Ave near Ray Rd, Chandler, AZ.
This is a typical configuration for a collector road, it is unlaned, and quite wide (~ 45'). Parking is permitted but is often entirely unoccupied, traffic volume is light, and speeds are low. I'm not sure if speed limit is posted, or if it's 25mph statutory.
Bicyclists when going "less than the normal speed of traffic" must ride as close to the right curb as practicable unless some other exception exists (e.g. preparing for a left turn).
Note that this position is the worst place to be for common motorist errors, drive out, and right/left hooks.
Photo: Warner Rd, eastbound; about 200' east of intersection with Kyrene. City of Tempe tried to fix the high asphalt by grinding (sometime in early August 2014). This remains dangerous, as it is first of all too narrow; and second the asphalt has already crumbled next to the concrete leaving a very irregular surface.  Bike lanes are supposed to have a minimum of 4' of CONSISTENT surface width. It's only about 2' wide at the "pinch point"
(in the pic it's near the puddle in the gutter).

Note that at the same time, the city (correctly in my view), fixed a similar large height-irregularity in the asphalt closer to the intersection by digging out and resurfacing a strip of asphalt next to the flat concrete gutter. #edgehazard
Photo: Again with the stuff left in the bike lane. This is on the week-end (Friday evening); and was in the exact same spot exactly a week ago. I can't tell what the project is but it is not active. This is Elliot Rd Phoenix, in front of Safeway approaching 48th St. #edgehazard
Photo: Mcclintock Rd, Tempe. Southbound, facing north (can see intersection with Guadalupe Rd). This right lane is clearly "wide" (perhaps 16 feet or more) but only for about 500' feet due to a "lane drop" from 3 through lanes to two southbound.
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Ed Beighe
Public
Warner Rd, eastbound; about 200' east of intersection with Kyrene. City of Tempe tried to fix the high asphalt by grinding (sometime in early August 2014). This remains dangerous, as it is first of all too narrow; and second the asphalt has already crumbled next to the concrete leaving a very irregular surface.  Bike lanes are supposed to have a minimum of 4' of CONSISTENT surface width. It's only about 2' wide at the "pinch point"
(in the pic it's near the puddle in the gutter).

Note that at the same time, the city (correctly in my view), fixed a similar large height-irregularity in the asphalt closer to the intersection by digging out and resurfacing a strip of asphalt next to the flat concrete gutter. #edgehazard