Objective: Map missing turn lanes from tertiary and up in SF peninsula, DC and LA.
Team: @mapbox/team-data
Features to map: Turn lanes (motorway, trunk, primary, secondary and tertiary) from satellite imagery
Focus Area: SF peninsula and DC
Estimated features to map: unknown
Mapping speed: unknown
Available data sources
| Source |
Description |
Quality |
License |
| Mapbox Satellite |
Imagery |
High |
✅ |
| Bing Imagery |
Imagery |
High |
✅ |
Tasks
| Location |
Description |
Start |
End(ETA) |
Validation |
| Palo Alto - Redwood City |
Trial run for estimates and workflow evaluation |
12/10 |
(12/11) |
Completed |
| SF Peninsula |
Turn lanes on motorway and trunk junctions in San Francisco Peninsula |
20/01/16 |
5/02/2016 |
Completed |
| Turn lanes in Palo Alto - 1 |
Mapping turn lanes on highways tertiary and up in Palo Alto |
08/02/16 |
09/02/16 |
Completed |
| Turn lanes in DC - 1 |
Mapping turn lanes on highways tertiary and up in DC |
08/02/16 |
08/02/16 |
Completed |
| Turn lanes in SF city |
Mapping turn lanes on highways tertiary and up in SF city |
09/02/16 |
10/02/16 |
Completed |
| Turn lanes in DC |
Mapping turn lanes on highways tertiary and up in DC |
11/02/16 |
12/02/16 |
Completed |
| Turn lanes in LA |
Mapping turn lanes on highways tertiary and up in LA |
12/02/16 |
29/03/2016 |
Completed |
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:
- Add inverse filter:
highway=motorway | motorway_link | trunk| trunk_link | primary | secondary | tertiary
- Read http://wiki.openstreetmap.org/wiki/Key:turn:lanes
Mapping
- Check all motorways for turn lanes at exits and entry points
- 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
Issues to keep in mind:
Changeset Comment: Add missing turn lanes from satellite imagery https://github.com/mapbox/mapping/issues/153
Source: Bing/Mapbox
Objective: Map missing turn lanes from tertiary and up in SF peninsula, DC and LA.
Team: @mapbox/team-data
Features to map: Turn lanes (motorway, trunk, primary, secondary and tertiary) from satellite imagery
Focus Area: SF peninsula and DC
Estimated features to map: unknown
Mapping speed: unknown
Available data sources
Tasks
JOSM Workflow
Setup
boundary: | leisure: | landuse: | waterway: | amenity: | natural: | building:highway=motorway | motorway_link | trunk| trunk_link | primary | secondary | tertiaryMapping
turn:lanes=left|through|right. See OSM turn:lanesturn:lanes:backward=andturn:lanes:forward=to specify turn lanes in each direction.Lane attributesstyleIssues to keep in mind:
slight_leftandslight_rightcan be ignored and insteadrightandleftturn lane tags should be used to avoid ambiguity.Changeset Comment:
Add missing turn lanes from satellite imagery https://github.com/mapbox/mapping/issues/153Source: Bing/Mapbox