1. What is the importance of road accident data systern? Solve the following a) A certain highway intersection has 4000 accidents recorded for the last 45 months. If there were 6494 collision incidents per million entering vehicle, find the annual average daily traffic.
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- Data on a traffic accident recorded on a certain intersection for the past 7 years has an accident rate of 4288 per million entering vehicles (ARMV). If the average daily traffic entering the intersection is 492, find the total number of accidents during the 7-year period1. With the new highway interchange at a dangerous street intersection, police records indicate an average of 5 accidents per month. The Department of Traffic Safety wants to investigate the probability of the following occurring in any month:a) No more than 4 accidents.c) At least 2 accidents.b) A single accident.d) At most 2 accidents in 15 days.The number of accidents for 6 years recorded in a certain section of a highway is 5892. If the average daily traffic is 476, what is the accident rate per HMVM in a segment of 10 miles?
- Data on a traffic accident recorded on a certain intersection for the past 5 years has an accident rate of 416 per million entering vehicles. If the average daily traffic entering the intersection is 504 find the total number accidents during the 5 year period. Answer in whole number.Data on a traffic accident record on a certain intersection for the past 4 years has an accident rate of 9200 per million entering vehicles (MEV). If the total accident is 802, find the average daily traffic a. 75 b. 60 c. 45 d. 958 The number of accidents for 5 years recorded in a certain intersection is 5883. If the average daily traffic is 489, determine the accident rate. Round off to the nearest whole number.
- Question 2 Because the new travel time rate (TTR) from the additional traffic (e.g., 300vph) exceeds the minimum acceptable local standard of 2.0 min/mile, it is proposed to increase the road capacity by 900vph/lane by adding one lane in each direction. Calculate the new travel time rate and traffic volume using: a. The traditional method of traffic impact analysis, and b. The above-mentioned pivot point analysis method. c. Compare the results of the two methods and comment on their significance.10.A lane on a freeway displays the following characteristics: (a) average headway between vehicles is 1.9s, and (b) the average spacing between vehicles is 210 feet. What is the rate of flow for the lane? What is the average speed in mi/hr? 11. Define 'Crash Modification Factor (CMF)" and describe how one might be used by a transportation agencyProblem 25: The number of accidents for 4 years recorded in a certain section of a highway is 4,892. If the average daily traffic is 438, determine the accident rate per million entering vehicles.
- 5. The table below gives data on accepted and rejected gaps of vehicles on the minor road of an unsignalized intersection. If the arrival of major road vehicles can be described by the Poisson distribution, and the peak hour volume is 1100 veh/h, determine the expected number of accepted gaps that will be available for minor road vehicles during the peak hour. Number of Rejected Gaps > t Number of Accepted Gaps >t Gap (t) (s) 1.5 92 3 2.5 52 18 3.5 30 35 4.5 10 62 5.5 2 100According to accident statistics over the last three years, the five intersections having the highest number of accidents are shown in the corresponding table. The total entering traffic for each intersection is also shown. Intersection No. of Accidents Daily Entering Vehicles No. 1 243 15,900 200 18,300 3 310 24,000 4 180 13,600 239 14,200 1. Determine the mean accident rate of these intersections per million entering vehicles. Answer in two decimal places. 2. Can we flagged intersection 1 as hazardous, using 95 percent level of confidence and using classic statistical method? Answer either Yes or No. 3. Can we flagged intersection 3 as hazardous, using 95 percent level of confidence and using classic statistical method? Answer either Yes or No. 4. Can we flagged intersection 5 as hazardous, using 95 percent level of confidence and using classic statistical method? Answer either Yes or No.A 15 mile section of Kapayapaan Road had the following reported accidents for 6 years from 1992. It is required to compute the accident rates of all accidents