VEHICLE DRIVING SUPPORT DEVICE

A vehicle driving support device: sets a left limit line extending along a current lane and passing through a position distanced in a right direction from a left-side target by a predetermined distance as a left end line, and sets a right limit line extending along the current lane and passing through a position distanced in a left direction from a right-side target by a predetermined distance as a right end line; and sets a lane center line as a target traveling line when the lane center line is located between the right and left end lines, and sets a line closer to the lane center line as the target traveling line when the lane center line is not located between the right and left end lines, in a case where the left end line and the right end line are set in a left-to-right order.