Mapping firm invites auto industry to improve spec for sharing vehicle sensor data

A key specification for exchanging sensor data between vehicles has found a new sponsor, in a move that may help future drivers avoid dangers before they see them.New vehicles are increasingly laden with sensors -- accelerometers, thermometers, radar and lidar (light detection and range) -- and the best of them can use the streams of incoming data to warn of or even avoid hazards such as ice or obstacles.But what if they could share information about changes to a road since the map was last upda