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

Table 5

Determination of comfort index (CI) (rail) and perceived comfort (CP) (rail).

CI (rail) (Comfort Index)	1 ≥ CI ≥ 0.9	0.9 > CI ≥ 0.75	0.75 > CI ≥ 0.50	0.50 > CI ≥ 0.25	0.25 > CI ≥ 0
	Extremely	Uncomfortable	Average	Comfortable	Highly
	uncomfortable		comfortable		comfortable
CP (rail) (Comfort Perceived)	CP ≤ 2	2 > CP ≥ 4	4 > CP ≥ 6	6 > CP ≥ 8	8 > CP ≥ 10
	Extremely	Uncomfortable	Average	Comfortable	Highly
	uncomfortable		comfortable		comfortable