Roadsign with a silhouette of elderly couple by John Cliff. From OCAL 0.18 release 夫妇 老人 人民 道路标志牌上写的老人们
sign one left signs traffic way road street One Way Traffic Sign clip art vector graphic can be downloaded for free 交通 登记 剪辑 单程交通标志
Highway sign for US Interstate Highways. Includes Red / Blue shield with INTERSTATE as included as both a font and as curves 蓝色 公路 除 州际公路标志
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 自行车 助力车 摩托车 没有摩托车
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 汽车 距离 道路标志牌上写 50 米之间汽车标志
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 飞机 机场 平面 飞机道路标志牌上写
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 道路标志牌上写 十字架道路标志
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 道路标志牌上写 登记 瑞典 2.2 m 标志