Many times warning signs are placed in areas where traffic is safer at a slow speed. Here are important points to keep in mind if you decide to post these signs in your area.

​Smooth traffic flow in a community depends on road access and traffic volume. If a road is closed or blocked ahead without warning it can create slowdowns and confusion. But when drivers are redirected with a detour sign, the city or town can maintain normal traffic flow.

A local brick and mortar enterprise particularly needs a sign that stands out from thousands of competing messages. Here are important points for you to consider about custom business signs.

Here's a deeper look at the science and evolution of reflective traffic signs.