Definition of an On-Board Comfort Index (Rail) for the Railway Transport

Table 2

Preliminary sample survey results to detect the perceived vibration level.

[m/s^2]	Vibration comfort perceived
	1		2		3		4		5
	Number	%	Number	%	Number	%	Number	%	Number	%
0.20	97	97.0	3	3.0	0	0.0	0	0.0	0	0.0
0.35	13	13.0	85	85.0	2	2.0	0	0.0	0	0.0
0.50	0	0.0	28	28.0	70	70.0	2	2.0	0	0.0
0.65	0	0.0	26	26.0	69	69.0	5	5.0	0	0.0
0.90	0	0.0	0	0.0	1	1.0	4	4.0	95	95.0
1.20	0	0.0	0	0.0	0	0.0	1	1.0	99	99.0