On 10 August 1880, an express passenger train hauled by a North Eastern Railway locomotive was derailed north of Berwick upon Tweed, Northumberland due to defective track.
Three people were killed.

On 3 January 1898, an express passenger train collided with a freight train that was being shunted at Dunbar, Lothian.
One person was killed and 21 were injured.

On 14 April 1914, an express passenger train was in collision with a freight train that was being shunted at Burntisland, Fife due to a signalman's error.

On 4 January 1917, a light engine overran signals and was in a head-on collision with an express passenger train at Ratho, Lothian.
Twelve people were killed and 44 were seriously injured.
Irregular operating procedures were a major contributory factor in the accident.
These were subsequently stopped.
On 10 August 1880, an express passenger train hauled by a North Eastern Railway locomotive was derailed north of Berwick upon Tweed, Northumberland due to defective track. Three people were killed.
On 3 January 1898, an express passenger train collided with a freight train that was being shunted at Dunbar, Lothian. One person was killed and 21 were injured.
On 14 April 1914, an express passenger train was in collision with a freight train that was being shunted at Burntisland, Fife due to a signalman's error.
On 4 January 1917, a light engine overran signals and was in a head-on collision with an express passenger train at Ratho, Lothian. Twelve people were killed and 44 were seriously injured. Irregular operating procedures were a major contributory factor in the accident. These were subsequently stopped.
North British Railway