Tustin, California –
Tustin Legacy 500 Million Dollar Shortcut
Rat running, cut-through driving or a shortcut, is using secondary roads, cemetery roads, or residential side streets instead of the intended main roads in urban or suburban areas.
People do it to avoid heavy traffic, long delays at traffic signals or other obstacles, even where there are traffic calming measures to discourage them, or laws against taking certain routes.
Rat runs are frequently taken by motorists familiar with the local geography.
They will often take such short cuts to avoid busy main roads and intersections.