Belfast and Ballymena Railway
1848 opened to traffic on 11 April.
Originally constructed to the Irish standard gauge of 5 ft 3 in (1600 mm), a number of 3 ft 0 in (914 mm) narrow gauge lines were acquired later.
Extended to Portrush and Cookstown
Amalgamated with the line from Coleraine to Derry
On 15 May 1860 the Belfast and Ballymena Railway became known as the Belfast and Northern Counties Railway (BNCR)