Page:The Working and Management of an English Railway.djvu/71

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PERMANENT WAY.

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TABLE OF GRADIENTS.
Line.	Length of Line.	Curves.					Gradients				Average Speed. Miles per hour.	Number of Stops.
		Less than 20 chains radius.	Between 20 & 40 chains radius.	Between 40 & 80 chains radius.	Over 80 chains radius.	Straight Line.	Percentage of Level Line.	Steepest Gradient.		Average Gradient both ways.
		Less than 20 chains radius.	Between 20 & 40 chains radius.	Between 40 & 80 chains radius.	Over 80 chains radius.	Straight Line.	Percentage of Level Line.	Rising.	Falling.	Average Gradient both ways.
Main line	Percent	Percent	Percent	Percent	Percent	Percent	Percent
London and Crewe	158	…	…	13	39	48	9	1 in 100	1 in 177	1 in 432	48½	3
Crewe and Carlisle	141	…	5	18	27	50	13	1 in 75	1 in 95	1 in 225	48½	2
Buxton Branch	19	2	34	32	…	32	11	1 in 58	1 in 66	1 in 78	36	2
Central Wales Line	59	3	35	16	4	32	11	1 in 60	1 in 60	1 in 97	31	7
Merthyr Tredegar and Abergavenny	19	36	13	2	…	49	5	1 in 38	1 in 35	1 in 44	22	3

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