aerialphotographyintrafficengineering automaticcontrol automaticlocationsystems automation automobiledriving automobiles electronicsinnavigation equipmentandsupplies highwaycommunications highwayresearch imageprocessing informationtechnology infrastructure(economics) motorvehicles securitymeasures sensornetworks standards technologicalinnovations trafficengineering trafficsafety transportation transportationandstate unitedstates urbantransportation vehicularadhocnetworks(computernetworks)