)In 1847 a review of the northern termination of the line was made; rather than simply join the Grand Junction at Bushbury, a spur would be added to reach a proposed joint station at Wolverhampton, shared with the Birmingham, Wolverhampton and Dudley Railway and the Shrewsbury and Birmingham Railway.This was authorised by Act of 14 August 1848; the Act also authorised a further million pounds of capital, to be raised by preference shares.