Technologies and techniques for merging/resolving MAP data and signal phase and timing (SPaT) messages for traffic light data prediction a vehicle in an intelligent transportation system. SPaT data and/or MAP data may be received in a vehicle from a direct source and a network source, and processed to merge data from the two different platforms. The merging of the data allows a vehicle to generate inferences relating to traffic light data received on direct, low-latency, connections, while taking advantage of the more comprehensive data provided from the network source.