Because the main line is on a falling gradient towards Hayle, at the buffer stop end a few steps are needed to connect platforms 2 and 3 but at the east end they are nearly level.
12.
As well as being built with a prevailing falling gradient of 1 in 55 ( 1.81 % grade ) towards Keighley, the tunnel curved through almost 90 degrees making it unpopular with train crews.
13.
The route of the branch commenced on the north side of the level crossing in Grimsargh and curved sharply westward on a falling gradient into the deep cutting and on to the embankment before crossing Brabiner Lane.
14.
On 29 August 1891 a goods train of 24 wagons carrying stone from Britannia ran away on the falling gradient of 1 in 34 ( 3 % ) and collided with a passenger train at Facit station.
15.
There were steep gradients on the line; from Seghill to Prospect Hill rising as steep as 1 in 61, and from Prospect Hill to the Tyne falling gradients, the steepest of which was 1 in 25.
16.
The line left Duns ( near the 21 milepost from Ravenswood Junction ) with a falling gradient at 1 in 60 before climbing again at 1 in 200 to Marchmont and then 1 in 65 to the 16 milepost.
17.
The double-track route required five tunnels in two miles; the longest, Union Street Tunnel is 710 yards ( 649 m ) in length on a falling gradient towards the Clyde of 1 in 70, with sharp curves at each end.
18.
P & DR route north-west of Kings Tor; the later Princetown Railway ran on a different alignment hereThe line followed a sinuous course to maintain a gentle falling gradient towards Plymouth : in a straight line the distance was 13 miles ( 21 km ).
