Vehicle travel control device

A vehicle travel control device comprising:

• a camera sensor and a radar sensor that measure a distance to a target as a first distance and a second distance, respectively;
• and a control unit that executes travel control for reducing a possibility of a collision between a host vehicle and an obstacle when it is determined that the obstacle is present in a predetermined area in a traveling direction of the host vehicle based on detection results of the camera sensor and the radar sensor, wherein:
• the control unit stores a relationship between the first distance and a correction coefficient determined in advance for a plurality of first distances, the correction coefficient being a coefficient for the first distance for determining, based on the first distance, a fusion distance based on the first distance and the second distance;
• and
• when it is determined that a specific structure is present in the predetermined area, a distance to the specific structure being measurable by the camera sensor but it being difficult for the radar sensor to measure an accurate distance to the specific structure, the control unit determines a correction coefficient from the relationship based on the first distance for the specific structure, determines a fusion distance to the specific structure as a product of the determined correction coefficient and the first distance for the specific structure, and executes the travel control for the specific structure based on the determined fusion distance to the specific structure.