Better than the commercial product?

Critics of OpenStreetMap have in the past used various arguments for why they believe the project can never be a success. Often quoted is the concern about data accuracy and completeness and another is about how changes in our world are noted and managed. Well it’s clear we needn’t worry too much as some great work by OSM contributor Dair Grant clearly shows.

Dair made a comprehensive and detailed comparison of his completed map for Haywards Heath, Sussex with that of the TeleAtlas derived Google Map and found 89 apparent differences, that’s an astounding number for a small town.