Abstract: A modular model railway support system is designed either for overhead installation or above ground support of conventional model railway tracks. The system includes a plurality of side rail members and cross ties having opposite ends designed for interlocking, snap engagement with the side rail members to secure two parallel lengths of successive side rail members together to form a selected pathway for supporting track with side rail members extending along opposite sides of a single or double track and the cross ties forming supports for the track. The side rail members on each side of the track are secured together end-to-end by the cross ties.