Hi, isnt the picture [picture in the wiki wiki](//wiki.openstreetmap.org/wiki/Key:traffic_calming) clear ? A chicane needs more space or room, but has more effect on a driver since the vehicle needs to go left and right, at a choker you’ll be able to keep your speed at an undesirable high level if theres no opposing traffic.

Hi, a isnt the picture in the wiki clear ? A chicane needs more space or room and room, but has more effect on a driver since the vehicle needs to go left and right, at a choker you’ll be able to keep your speed at an undesirable high level.level if theres no opposing traffic.

Hi, a chicane needs more space or room and has more effect on a driver since the vehicle needs to go left and right, at a choker you’ll be able to keep your speed at an undesirable high level.