To support safety driving when it is determined that a driver does not drive safely.

When the driver operates a vehicle, an operation condition detection means detects an actual operation condition. Reference data for driving operation means serving as a standard of the safety driving matching the travel route of an electronic map data are equipped, and the reference data are compared with the actual driving condition so that it is determined whether the actual operation is within the range of the safety driving or not by a safety driving degree determination means. Based on the output result from the safety driving degree determination means, driving technique of the driver is determined by the driving technique determination means. Based on these determination results, a travel driving mode for the vehicle is switched from a manual driving mode following driving operation by the driver to an automatic driving mode based on automatic control for driving according to the reference data when the driving technique determination means determines that the determination result is out of the safety driving range, and then, travel operation of the vehicle is controlled based on the reference data.

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