A display device for vehicle, which is installed to a targeted vehicle, comprising: passing section determination means determining whether legislation, which defines a passing section of vehicles in a country having a road on which the targeted vehicle is running, lays down that vehicles have to keep to the left or that vehicles have to keep to the right; display means including a plurality of display parts (26A, 26B, 26C, 26D, 26E) arranged in a lateral direction, each of said display parts capable of showing a sign image (26X, 26Y, 27aR, 27aL, 27bR, 27bL, 27cR) corresponding to each of a plurality of road signs including a passing section-related sign (84aL, 84aR, 84bL, 84bR, 84cR) that represents traffic information related with said passing section; sign information obtaining means obtaining sign information, said sign information identifying said road sign with which a driver of the targeted vehicle has to comply; and display position changing means selectively makes one of a left side display part, which is at least one of said plurality of display parts and is position on a more left side than the center of said display means in a lateral direction, and a right side display part, which is at least one of said plurality of display parts and is position on a more right side than said center, show a passing section-related sign image (27aR, 27aL, 27bR, 27bL, 27cR) that is said sign image corresponding to said passing section-related sign based on determination result by said passing section determination means, when said road sign identified based on said obtained sign information is said passing section-related sign. passing section determination means determining whether legislation, which defines a passing section of vehicles in a country having a road on which the targeted vehicle is running, lays down that vehicles have to keep to the left or that vehicles have to keep to the right; display means including a plurality of display parts (26A, 26B, 26C, 26D, 26E) arranged in a lateral direction, each of said display parts capable of showing a sign image (26X, 26Y, 27aR, 27aL, 27bR, 27bL, 27cR) corresponding to each of a plurality of road signs including a passing section-related sign (84aL, 84aR, 84bL, 84bR, 84cR) that represents traffic information related with said passing section; sign information obtaining means obtaining sign information, said sign information identifying said road sign with which a driver of the targeted vehicle has to comply; and display position changing means selectively makes one of a left side display part, which is at least one of said plurality of display parts and is position on a more left side than the center of said display means in a lateral direction, and a right side display part, which is at least one of said plurality of display parts and is position on a more right side than said center, show a passing section-related sign image (27aR, 27aL, 27bR, 27bL, 27cR) that is said sign image corresponding to said passing section-related sign based on determination result by said passing section determination means, when said road sign identified based on said obtained sign information is said passing section-related sign.