According to the administration, changeable message signs are an effective tool in providing drivers with real-time traffic information on pending hazards on the road ahead. In most cases, said the ...
Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...
Federal Highway Administration officials appear to be having a rethink on a plan to put an end to clever and funny highway safety messages. A pending revision of the Manual on Uniform Traffic Control ...
Humorous messages posted on digital highway signs -- commonly known as changeable message signs -- have become almost ubiquitous in recent years, to the point that the Federal Highway Administration ...