It's really weird that Grab is using outsourced companies to do this when they should actually have their own very decent, accurate data sets to work with. Every Grab driver drives with their app open and a map showing. Surely they would be collecting GPS and route data from the drivers' (or passengers') apps during the trip. I'd think this approach would be cleaner and far more accurate.
The GPS data is only half of it, though. Much more valuable and difficult to obtain is the metadata, ie. the type of way, width, surface, quality etc; the name, any official government names and/or local names; access rights; lighting; seasonal restrictions etc etc
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It's really weird that Grab is using outsourced companies to do this when they should actually have their own very decent, accurate data sets to work with. Every Grab driver drives with their app open and a map showing. Surely they would be collecting GPS and route data from the drivers' (or passengers') apps during the trip. I'd think this approach would be cleaner and far more accurate.
The GPS data is only half of it, though. Much more valuable and difficult to obtain is the metadata, ie. the type of way, width, surface, quality etc; the name, any official government names and/or local names; access rights; lighting; seasonal restrictions etc etc