* Many states have the illumination parameters listed by candelas. Double check whether it is by feet, candelas, or any other measurement
6.4.I.1+2 - If you are displaying numbers or text then only up to 20% of the sign can be digital. It can exceed 20% only if it is a minimum of 1,400 ft. from any other digital display allowed to exceed the 20% regulation.Research these rules and parameters on your own time as well, they are much more complex in the official documents. Sign shops are well versed in their state and local township display rules. Sign owners should also take steps to become a bit more aware of how they are able to use their signs in accordance to their location. This information and more can be found at the following URL under chapter 6 Outdoor Advertising: http://www.sos.mo.gov/adrules/csr/current/7csr/7csr *Note* Most states have their sign regulations publically listed under their Department of Transportation's web page or have more specified sections on outdoor advertising.