This light railway ran south east from Downpatrick to Ardglass.
/ /1890 | Downpatrick, Killough and Ardglass Light Railway Incorporated. Recommended by Allport commission and built for the Belfast and County Down Railway. |
/ /1892 | Downpatrick, Killough and Ardglass Light Railway Opened from Downpatrick to Ardglass. |
24/09/1892 | Downpatrick, Killough and Ardglass Light Railway Downpatrick loop (a curve to allow direct running from the north to Ardglass) opened. |
/ /1893 | Downpatrick, Killough and Ardglass Light Railway Absorbed by Belfast and County Down Railway. |
16/01/1950 | Downpatrick, Dundrum and Newcastle Railway
Downpatrick, Killough and Ardglass Light Railway
Belfast and County Down Railway Closed from Newcastle [Down], Ardglass and Ballynahinch via Downpatrick to Comber. |
This line is divided into a number of portions.