To perform the aural guidance of the right and left turn instructions and also the proper traveling lanes for vehicles based on the lane control information on the intersections and crossroads and on the traveling lane information.

An intersection information transmitter 4 which transmits by radio the traveling lane control information on an intersection having plural traveling lanes is placed on a road or its vicinity together with a traveling lane number transmitter 5 which transmits by radio the lane number information to identify the present traveling lane. On the other hand, a vehicle contains the receivers 2 and 3 which receive the lane control information and the traveling lane number information from the transmitters 4 and 5 respectively. Then a CPU 104 previously decides a proper traveling lane and gives the lane guidance to the vehicle driver via a voice generation part 108 when the vehicle turns to the right or left at the intersection based on the instructions of a route guidance device 1.