sign states united interstate highway usa us 25 70 Interstate Highway Sign clip art vector graphic can be downloaded for free 州际 公路 登记 州际公路标志
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
red sign blue route transportation number interstate highway roadsign eighty Interstate Highway Sign clip art vector graphic can be downloaded for free 州际 公路 登记 Interstate Highway Sign