Influences of Exit Advance Guide Signs on the Trajectory and Speed of Passenger Cars in Highway Tunnels

Table 5

Vehicle speed and acceleration within 100 m before and after the lane change position.

Service level	Working condition	Before 100 m (km/h)	Before 50 m (km/h)	At the lane line crossing position (km/h)	After 50 m (km/h)	After 100 m (km/h)	Acceleration (m·s^−2)
First level	1	67.78	65.45	63.15	61.17	58.69	−0.14
	2	66.42	63.76	60.74	58.79	57.50	−0.11
	3	68.22	66.10	64.30	62.06	59.93	−0.14
	4	67.11	64.82	62.66	60.73	58.96	−0.09
	5	67.30	64.34	62.32	60.53	59.12	−0.14
	6	67.62	64.95	62.69	60.68	59.30	−0.11
Second level	1	66.76	64.07	61.53	59.33	57.48	−0.14
	2	62.56	60.99	58.43	57.01	55.69	−0.12
	3	67.34	64.32	61.87	60.29	59.20	−0.15
	4	66.27	63.68	61.44	58.77	56.91	−0.11
	5	68.29	65.89	63.72	61.64	60.72	−0.09
	6	68.18	65.47	63.15	61.48	59.87	−0.12
Third level	1	61.64	59.32	57.21	55.28	54.20	−0.10
	2	60.29	58.24	56.30	54.55	53.54	−0.08
	3	61.69	59.28	57.10	55.47	54.34	−0.09
	4	61.37	59.39	57.23	55.83	55.15	−0.06
	5	63.02	61.05	59.52	58.34	57.33	−0.04
	6	62.39	60.37	58.82	57.62	56.91	−0.04