Roadsign with a silhouette of elderly couple by John Cliff. From OCAL 0.18 release 夫婦 老人 人民 道路標誌牌上寫的老人們
sign one left signs traffic way road street One Way Traffic Sign clip art vector graphic can be downloaded for free 交通 登記 剪輯 單程交通標誌
Highway sign for US Interstate Highways. Includes Red / Blue shield with INTERSTATE as included as both a font and as curves 藍色 公路 除 州際公路標誌
Swedish Road Signs Collection on Wikicommons - URL http://commons.wikimedia.org/wiki/Category:Road_signs_of_Sweden information about why this image is in the public domain can be found there 自行車 助力車 摩托車 沒有摩托車
Swedish Road Signs Collection on Wikicommons - URL http://commons.wikimedia.org/wiki/Category:Road_signs_of_Sweden information about why this image is in the public domain can be found there 汽車 距離 道路標誌牌上寫 50 米之間汽車標誌
A sign depicting an airplane Swedish Road Signs Collection on Wikicommons - URL http://commons.wikimedia.org/wiki/Category:Road_signs_of_Sweden information about why this image is in the public domain can be found there 飛機 機場 平面 飛機道路標誌牌上寫
Swedish Road Signs Collection on Wikicommons - URL http://commons.wikimedia.org/wiki/Category:Road_signs_of_Sweden information about why this image is in the public domain can be found there 跨 十字路口 道路標誌牌上寫 十字架道路標誌
Swedish Road Signs Collection on Wikicommons - URL http://commons.wikimedia.org/wiki/Category:Road_signs_of_Sweden information about why this image is in the public domain can be found there 道路標誌牌上寫 登記 瑞典 2.2 m 標誌