. Our experience includes overhead signs, cantilever signs, dynamic message signs (DMS), bridge or ground mounted signs, and traffic signs. The design, placement, and technology...Signs info@lslee.com Home About Guardrail Signs Attenuators Contact Us Sign Installation Sign Installation L.S. Lee installs highway and traffic signage used to guide motorists... of these signs is much more complex than the traveling public realizes. Traffic studies must be performed to determine the optimal locations of signs and the material itself is a major...