Here are some carefully selected links to enhance your enjoyment of SimSig. Though we've chosen them for their content and check the links periodically, we cannot guarantee that they will remain suitable and appropriate.
See also the Wiki Links page, maintained by the SimSig community.
From their website:
"Our simulations authentically re-create the working environment of the traditional mechanical Signal Box, giving you full responsibility for the safe and punctual operation of the trains under your control"