The present invention relates to a transit boarding platform panel for use along an edge of a transit platform adjacent a track. The panel comprises a molded base portion formed from a reinforced composite polymer, and having a top deck and bottom plate, a first side intended to be adjacent a track at an edge of the transit platform, a second side opposite said first side and intended to be adjacent the transit platform, a first end and a second end, and between the top deck and bottom plate a series of internal support members. The top deck has a detectable warning surface consisting of raised truncated domes detectable by the visually impaired in accordance with Americans with Disabilities Act (ADA): Accessibility Guidelines for Buildings and Facilities. The first and second ends are provided with means to interconnect adjacent panels and to secure the panels to the platform. In a preferred embodiment the means to interconnect adjacent panels and to secure the panels to the platform includes a groove provided on the first end of each panel, said groove sized and shaped to accept a corresponding sized and shaped tongue provided on the second end of an adjacent panel. There is also provided an improved method of installing a transit platform with a series of transit boarding platform panels along an edge of said transit platform adjacent a track.