The ECR did complete the line north through to a junction with its main line from London to Cambridge in 1852 and initially ran services on the R&HR, but they later gave way to the Great Northern Railway when its lease of the Royston company expired in 1866.
The ECR completed a line north that connected with its main line from London to Cambridge in 1852. The line was initially operated by the ECR, but later transferred to the Great Northern Railway after the lease on the Royston company expired in 1866.