#17 - Turn lanes on motorway and trunk junctions in San Francisco Peninsula (Archived)

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This project was archived.

Map missing turn lanes from satellite imagery https://github.com/mapbox/mapping/issues/144

Created by pratikyadav - Updated - Priority: low

  Instructions

Entities to Map
Turn Lanes
Changeset Comment
Add missing turn lanes from satellite imagery https://github.com/mapbox/mapping/issues/144
When saving your work, please leave the default comment but add what you actually mapped, for example "added buildings and a residential road".

JOSM Workflow

Setup

  • Task Config
  • Activate the following in from JOSM preferences > Map Settings
  • Map Paint Styles: Lanes and road attributes
  • Tagging Presets: lane attributes
  • Filter out non road features with boundary: | leisure: | landuse: | waterway: | amenity: | natural: | building:
  • Read http://wiki.openstreetmap.org/wiki/Key:turn:lanes

Mapping

  • Limit scope to motorway and trunk junctions
  • Check every intersection for tun lanes indicated by white arrows
  • Split the road into segments based on the total number of lanes for the segment
  • For each road segment tag the turn lanes based on the road markings in the direction of the way. Eg. turn:lanes=left|through|right. See OSM turn:lanes
  • For bi-directional segments, use turn:lanes:backward= and turn:lanes:forward= to specify turn lanes in each direction.
  • Verify correct tagging using the Lane attributes style

Major Intersection Layer-

tms[99]:https://api.mapbox.com/v4/pratikyadav.9cfd807b/{zoom}/{x}/{y}.png?access_token=pk.eyJ1IjoicHJhdGlreWFkYXYiLCJhIjoiMTA2YWUxNjRkNmFmZGQ4YzAxZWFiNDk0NDM1YjE1YjAifQ.4P6N5dNmA_WQXd3BsJvu5w - Blue markers represent major road intersection(motorway, trunk, primary, tertiary) - Black lines represent roads with turn:lanes=* tag.

  Start contributing

Contributors Done Assigned