A set of travel time data have been collected for a year during the evening peak...

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A set of travel time data have been collected for a year during the evening peak (4–6 pm) along a freeway route and are provided in Table 1. The route length is 3 miles, and the speed limit along this facility is 65 mph. What is the reliability of the facility if on- time arrivals occur for speeds of at least 50 mph? What is the Travel Time Index, and what is the Buffer Time Index? What can you conclude about the operations of this facility during the evening peak hour? Travel time (s) ≤150 (150-180) (180-210) (210-240) (240-270) (270-300) (300-330) (330-360) > 360 Table 1 Frequency 2 139 226 167 93 65 25 8 5 A set of travel time data have been collected for a year during the evening peak (4–6 pm) along a freeway route and are provided in Table 1. The route length is 3 miles, and the speed limit along this facility is 65 mph. What is the reliability of the facility if on- time arrivals occur for speeds of at least 50 mph? What is the Travel Time Index, and what is the Buffer Time Index? What can you conclude about the operations of this facility during the evening peak hour? Travel time (s) ≤150 (150-180) (180-210) (210-240) (240-270) (270-300) (300-330) (330-360) > 360 Table 1 Frequency 2 139 226 167 93 65 25 8 5

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