The formation of the new company immediately led to a revision of the plans. Construction of a new line and junction south east from Chester was abandoned. The new company would only need to build a line between Shrewsbury and the North Wales Mineral line at Wrexham. Likewise when construction was completed by 1848, the final route also bypassed Oswestry (one of the scheme's original destinations). Instead the town would be served by a branch line between a halt in the town and .