A method and system for processing road sign content by a mobile computing device in a vehicle. A wireless communication network is monitored for signals continuously broadcasted over the network from road sign transmitters, the signals including road sign messages containing road sign content information from road signs. A signal of said continuously broadcasted signals is captured as a result of the monitoring, the captured signal including a message of the road sign messages, the message including road sign content information from a road sign of including road signs, the captured signal being in range of the mobile computing device. The message is interpreted to ascertain the road sign content information from the road sign. Based on display parameters previously defined by a user, the road sign content information in the captured message is displayed onto a display device in the vehicle operationally coupled to the mobile computing device.