Organised Editing/Activites/Bolt

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Bolt contributes to OSM by improving the map in various countries. Bolt is added to the list of organised editing activities as well.

Road Network Improvement Projects

During 2020 we have worked on road network improvements in the following countries:-

  • Armenia
  • Azerbaijan
  • Croatia
  • Estonia
  • Georgia
  • Ghana
  • Hungary
  • Kazakhstan
  • Latvia
  • Lithuania
  • Nigeria
  • Poland
  • Portugal
  • Romania
  • Russia
  • Slovakia
  • South Africa
  • Sweden
  • Tanzania
  • UK
  • Uganda
  • Ukraine

Currently, in progress

  • Riga
  • Vilnius
  • Johannesburg
  • Accra
  • Lagos
  • Kyiv
  • Baku
  • Abuja
  • Nairobi
  • Cape Town
  • London
  • Durban
  • Lisbon
  • Bucharest
  • Lviv

Process Flow

Road network Improvements that are addressed include the following:

  1. Adding missing roads
  2. Validate existing tags like- classification - Residential, Trunk, Motorway etc and attributes - Bridge, Tunnel, links etc.
  3. Cities might be revisited on the basis of new improvements and/or internal requirements.

Below is the detailed process description on how Bolt does mapping:

  1. Bolt smoothened GPS traces (internal and non-downloadable file)
  2. Find the best imagery properly aligned per GPS traces and ground truth
  3. Use JOSM with GPS traces and best imagery as reference
  4. Visually identify missing roads and add them
  5. Correct classification and attribute errors in existing data
  6. Run validation and fix all errors and warnings
  7. Upload changeset with appropriate comments

Bolt’s Data Team

Team members that work on road improvements - Bolt001, Bolt002, Bolt003, Bolt004, Bolt005, Bolt006, Bolt007, Bolt008, Bolt009, Bolt010, Bolt011, Bolt012, Bolt013, Bolt014, Bolt015, Bolt016, Bolt017, Bolt018, Bolt019, Bolt020, Bolt021, Bolt022, Bolt023

The hashtag that our team uses is #bolt.


We are constantly in contact with the local community through the local talk list, the OSM forum for that country, a local forum (such as a Telegram group or Facebook page) or by reaching out to local active mappers.

When it comes to feedback, we are open to it and will always take it into consideration, as local community knowledge and expertise always precedes.

Please send any general feedback on Bolt’s work on OpenStreetMap to Bolt001.

Community awareness

We follow the workflow shown on the right, in order to reach out to communities.

Flowchart of the workflow for contacting OSM communities

Here's the list of OSM communities that we have contacted and the phase the communication is in.

Community Contacted Contacted via Responded Approved[1]
Ukraine YES Slack YES YES
Lithuania YES Talk list YES YES
Latvia YES Talk list
South Africa YES Talk list / Owner of talk list
Ghana YES Talk list / Telegram YES YES
Nigeria YES Talk list / Facebook YES YES
Kenya YES Talk list
London YES Talk list
United Kingdom YES Talk list
Portugal YES Talk list / Telegram YES YES
Romania YES Talk list YES YES
Azerbaijan YES Facebook
Estonia YES Talk list
Tanzania YES Talk list
Poland YES Talk list / OSM Forum YES YES
Croatia YES Talk list
Czech Republic YES Talk list YES YES
Saudi Arabia YES Local mapper (Khaled AlOtaibi)
Austria YES Talk list YES YES
Georgia YES Talk list
France YES Talk list YES YES
Hungary YES Facebook group / Google group YES YES
Tunisia YES Talk list
Russia YES OSM Forum YES YES
  1. We mark Approved=YES, if we got response from the community and there are no objections from the latter.