last night, at an intersection without a bikebox, a half dozen bicyclists including myself positioned ourselves in the virtual bike box position along a bike route without a bikelane.

positioning as bike boxes do with or without the bike box is a basic, intrinsic road position for cyclists concerned with visibility and controlling the intersection for safety. Along routes popular with bicyclists, a real bike box at identified and select intersections makes sense.

Seattle's first bike box and supporting signage -