| Membership for fuzzy LOS categories | Service metrics | Passenger arrival time (min) | Passenger wait time (min) | Bus running speed (km/h) |
| A > 0.5 | B < 0.5 | (0, 2.3) | (0, 2.0) | (29.3, ∞) | B > 0.5 | A < 0.5 | (2.3, 3.5) | (2.0, 2.9) | (24.9, 29.3) | C < 0.5 | (3.5, 4.8) | (2.9, 4.2) | (22.9, 24.9) | C > 0.5 | B < 0.5 | (4.8, 6.1) | (4.2, 5.4) | (20.9, 22.9) | D < 0.5 | (6.1, 8.7) | (5.4, 7.0) | (19.2, 20.9) | D > 0.5 | C < 0.5 | (8.7, 11.3) | (7.0, 8.5) | (17.4, 19.2) | E < 0.5 | (11.3, 14.0) | (8.5, 10.9) | (15.8, 17.4) | E > 0.5 | D < 0.5 | (14.0, 16.7) | (10.9, 13.2) | (14.2, 15.8) | F < 0.5 | (16.7, 25.6) | (13.2, 18.2) | (12.3, 14.2) | F > 0.5 | E < 0.5 | (25.6, ∞) | (18.2, ∞) | (0, 12.3) |
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