FREMO

thumb|right|Many FREMO modules joined together to make a large layout thumb|right|Meeting during 2010 in the Netherlands with over of track The Friendship of European railway modellers (, FREMO) is a modular rail transport modelling standard. Individual track and scenery modules are built to a common standard and are joined together to make larger model railway layouts. The FREMO standards were created following a meeting in Europe in 1981.

Single track h0 scale modules are typically wide, of variable length, viewable from both sides. Each module comes with adjustable legs, to create a uniform top-of-rail height of above floor level. Modules are physically joined together using three holes and hand-tightened M8 wingbolts with washers and wingnuts. The electrical inter-connection uses two Banana connectors per track bus, over which Digital Command Control (DCC) signalling running at 14 volts is used for train control. Track uses Code 83 rails ( high), with a minimum curve radius of ; representing at 1:87) and fixed track centre-line spacing of ; representing separation at 1:87 scale).