A ceiling transport vehicle comprising: - a travel portion that travels along a guide rail installed on a ceiling side along a set travel path, wherein the guide rail includes a pair of rail portions spaced apart from each other in a lateral width direction that is perpendicular to a travel direction of the travel portion, each of the pair of rail portions having an inner lateral side facing the inner lateral side of the other rail portion; - a main body portion that is suspended and supported by the travel portion and that supports an article such that the article can be moved vertically; - a pair of guiding bodies that contact respective inner lateral sides of the pair of rail portions to guide the travel portion along the set travel path; - a pair of contacting members that are supported by one of the travel portion and the main body portion such that the contacting members can be moved away from each other and moved toward each other in the lateral width direction; and - switching means for moving the pair of contacting members away from each other and toward each other, the switching means including an operatively connecting mechanism which operatively connects the pair of contacting members to move the pair of contacting members away from each other and toward each other; characterized in that the pair of contacting members is located between the pair of rail portions, and in that the switching means activates the operatively connecting mechanism and moves the pair of contacting members away from each other and toward each other along the lateral width direction to switch between a holding state in which the pair of contacting members contact the respective inner lateral sides of the pair of rail portions to position and hold the travel portion in an article transfer position in the lateral width direction with respect to the guide rail, and a holding release state in which the pair of contacting members are spaced apart from the pair of rail portions. - a travel portion that travels along a guide rail installed on a ceiling side along a set travel path, wherein the guide rail includes a pair of rail portions spaced apart from each other in a lateral width direction that is perpendicular to a travel direction of the travel portion, each of the pair of rail portions having an inner lateral side facing the inner lateral side of the other rail portion; - a main body portion that is suspended and supported by the travel portion and that supports an article such that the article can be moved vertically; - a pair of guiding bodies that contact respective inner lateral sides of the pair of rail portions to guide the travel portion along the set travel path; - a pair of contacting members that are supported by one of the travel portion and the main body portion such that the contacting members can be moved away from each other and moved toward each other in the lateral width direction; and - switching means for moving the pair of contacting members away from each other and toward each other, the switching means including an operatively connecting mechanism which operatively connects the pair of contacting members to move the pair of contacting members away from each other and toward each other;