The cutting was roofed over in 1874 and the Great Western Arcade built on top, the line of the new 'tunnel' being offset slightly to the north of the centre of the arcade. The extended tunnel has a length of . The arcade was designed by W. H. Ward of Paradise Street, Birmingham.
The roof was covered in 1874, and the Great Western Arcade was built on top of it, with the new tunnel's line slightly shifted north of the arcade's center. The extended tunnel has a length of . The arcade was designed by W. H. Ward of Paradise Street, Birmingham.