Can you imagine no signs on roads? Do you know Road Sign Colors and Shapes ? by First Sign | Thursday, August 22, 2019 | 0 comment(s) Can you imagine no traffic signs on roads? when automobiles were invented, there were no paved streets, no signs, and motorists had accidents, ran off the road.... no categories. Read More Comments View All 0 Comment(s). You must be logged in to post comments.