It had always been intended to make a connecting line with the Callander and Oban line of the Caledonian Railway at Crianlarich, where the two lines crossed. The Caledonian Railway had earlier been suspicious of the motives of the North British Railway in this regard; the distance from Glasgow to Crianlarich was substantially shorter by the West Highland Railway and at the Parliamentary stage the West Highland Railway (seen as the creature of the NBR) had applied for running powers to Oban.