There’s that iconic blue shield shape with a white number inside and a single word on a white background: “Interstate ... napkins to full-sized metal signs, Malone worked his magic in ...

If North Carolina had its way, the interstate system would look very ... design until his boss encouraged him to. He picked a shield as a sign of federal authority, and submitted the plans in ...

However, the sign for Interstate 291 has a red and blue shield on it. On quick glance, it could be confused with a sign for Interstate 91. I have noticed many motorists making last-minute lane ...