Tag 'turn:lanes:backward = left|left|through;right|none'

• 1: maxspeed
• 1: lanes:backward
• 1: layer
• 1: maxheight
• 1: lit
• 1: lanes
• 1: parking:both
• 1: sidewalk:both
• 1: highway
• 1: shoulder
• 1: foot
• 1: surface
• 1: lane_markings
• 1: psv:lanes:backward:conditional
• 1: lanes:forward
• 1: source:maxspeed
• 1: oneway
• 1: parking:right:restriction
• 1: horse
• 1: smoothness
• 1: name
• 1: bridge
• 1: maxweight:signed
• 1: turn:lanes:backward
• 1: postal_code
• 1: cycleway
• 1: lanes:psv:backward