sentences:  On special occasions after 1987, such as the Oakbank Easter Racing Carnival held every Easter weekend at Oakbank, trains ran further east to terminate at Balhannah.However, this service ceased prior to the standard gauge conversion, due to the expense of operating the line..In 1995, the Adelaide to Wolseley line was converted from broad gauge (1600mm) to standard gauge (1435 mm) ruling out any restoration of local trains to Bridgewater or beyond, and it disconnected a number of the South Australian country broad gauge services from Adelaide.