This invention relates to a portable, lightweight, non-conductive, and non-flammable hard lightweight cover that is placed over a third rail and used to protect workers from being electrocuted while working near live powered third rail system. Further, the third rail railway cover board may be highly visible and made to work in all weather conditions. Because of the simplicity of installation, no special power expert is needed to install the third rail railway cover board which will save a great deal of time and safety. The third rail railway cover board may include one or more of the following features: lightweight, non-conductive, and flame retardant; placed over high voltage third rail; weather and rain resistant; high-visibility; stackable; locking mechanism from one cover to an adjacent cover; LED light holder; contoured shape to fit all US third rail systems; and water shed design.