According to accident statistics of a certain town over the last three years, the ten intersections having the highest number of accidents are shown in the table below together with the corresponding number of accidents and the total entering vehicles for each intersection. Identify the intersections that may be considered hazardous, using 95% level of confidence. Intersection No. Number of Accidents Daily Entering Vehicles 1 243 15,900 220 18,300 310 24,000 13,600 14,200 210 239 6. 17,120 13,700 19,300 250 7 188 360 47,900 17,100 9 350 10 370

According to accident statistics of a certain town over the last three years, the ten intersections having the highest number of accidents are shown in the table below together with the corresponding number of accidents and the total entering vehicles for each intersection. Identify the intersections that may be considered hazardous, using 95% level of confidence. Intersection No. Number of Accidents Daily Entering Vehicles 1 243 15,900 220 18,300 310 24,000 13,600 14,200 210 239 6. 17,120 13,700 19,300 250 7 188 360 47,900 17,100 9 350 10 370

Traffic and Highway Engineering

5th Edition

ISBN:9781305156241

Author:Garber, Nicholas J.

Publisher:Garber, Nicholas J.

Chapter5: Highway Safety

Section: Chapter Questions

Problem 8P

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Problem 2 The table shows reported accidents for a 10-mile highway section of the Diosdado Macapagal Boulevard. Property Damage Year 2000 2001 2002 2003 2004 Average Daily Traffic 20,500 22,000 23,500 24,000 25,500 165 150 170 170 160 Injury Accidents 40 45 50 45 60 a) Compute the severity ratio. b) Compute the accident rate for injury accidents in HMVM. c) Compute the accident rate in HMVM. Fatal Accidents 5 5 10 16 19
1. 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.
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.
According 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.
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?
PLEASE WRITE THE SOLUTIONS A T-intersection has a total of 2,400 collision incidents over the last 5 years. Given that the annual daily traffic recorded for this period is 57,079. Determine the accident rate of the intersection per million entering vehicle? A__23.039 accidents per mev. B__23.309 accidents per mev. C__23.093 accidents per mev. D__23.390 accidents per mev. The design speed of a parabolic curve is 80 kph having a soil grade of g1 = 3% and g2 = -4% with Sp =550m. Determine the length of the curve? A__2112m B__2113.5m C__2113.510m D__2131.510m If a town has a total of 152,400 registered vehicles in 2016. Determine the rate of accident per 9,000registered vehicles if the number of accidents on the same is 356? A__21.024 accidents per 9,000 vehicles B__22.024 accidents per 9,000 vehicles C__20.024 accidents per 9,000 vehicles D__None of the above
8 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.
Q 04: Discuss Road accident data base and also suggest what remedial measures are required to reduce the causes of accidents.
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.
The state transportation agency has established crash reduction factors shown in the table. An intersection has been identified as having an abnormally high left turn crash rate (17, 20, and 18 crashes in the last three years), attributed to excessive speeds and the absence of an exclusive left-turn phase. The ADT of the intersection for the last three years is 8,400, and the ADT for after implementation is 9,500. Determine (a) the appropriate countermeasures and (b) the expected reduction in crashes if the countermeasures are implemented. . Countermeasure Crash Reduction Factor Retime Signals 0.10 Provide left-turn signal phase 0.30 Reduce speed limit on approaches 0.35 Provide turning guide lines 0.05 Prohibit left turns 0.75
Question 3 In which of the following scenarios using traffic simulation is more helpful than data-driven predictive models? A. Understanding the impact of road occupancy license (ROL) type of works on the traffic of the surrounding road network B. Estimating the hourly traffic speed and volume under normal traffic conditions C. Proposing alternative route options for vehicles after an incident occurs on a high demand road A Both A and C O
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 period