The estimated crash rate per Million Vehicle-Miles of Travel on undivided ruralroadways with a total of 20 Driveways per mile is most nearly:
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The estimated crash rate per Million Vehicle-Miles of Travel on undivided ruralroadways with a total of 20 Driveways per mile is most nearly:
A) 2.5
B) 3.5
C) 4.5
D) 5.5
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- 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 accidents10.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 agencyWhat are the major types of data that are needed for freeway congestion management? Emphasize on recurrent, non-recurrent, and emergency-event induced freeway congestion.
- A 2-mile long section of a roadway has recorded 20 crashes (total) during a period of 5 years. What is the crash rate for the section in terms of rate per 100 million entering vehicles?QUESTION 7 An old divided 6-lane (3 lanes each direction) highway has 11 ft lanes and obstructions leaving no more than 2 ft of clearance on each side of the roadway. There are no driveways or intersections on the segment of interest. Given a posted speed limit of 50 mph, estimate the FFS (mph) for the 3 northbound lanes? Provide the answer to the nearest tenths.QUESTION 6 The 2 eastbound lanes of a rural divided highway have 13 ft lane widths. There is no lateral clearance afforded on either side of the road. There is an access density of 20 access points per mile. What is the estimated FFS (mph) if the BFFS is 60 mph? Provide your answer to the nearest tenths.
- 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?The crash rate on a heavily traveled two-lane rural highway is abnormally high. Thecorridor is 14 miles long with an ADT of 34,000. An investigation has determined thathead-on collisions are most common with an RMVMT of 4.5 and are caused by vehicles attempting to pass. Determine an appropriate countermeasure and calculate theestimated yearly reduction in total crashes.The accident rates for 100 million vehicles miles of travel caused by people attempting to pass a heavily traffic 2 lane rural highway is 6.0. The length of the road is 10 miles with an average daily traffic of 36000. Determine the estimated yearly reduction in total crashes if the crash reduction factor is 0.25.
- 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.A proposed improvement will widen a two-lane rural highway from 9-ft-wide (per lane) to 11-ft-wide (per lane) if the highway has an AADT of 2100 veh/day. If there are an average of 25 crashes per year on the segment proposed for improvement, and 67% of the crashes are of the type targeted by the improvement, estimate the expected number of crashes (per year) after the improvement is constructed.Find the crash frequency and crash rate of the following: Road Segment A: A three-mile section of road that has had four crashes over five years and has a traffic volume of 5,500 vehicles per day. Road Segment B: A three-mile section of road that has had 10 crashes over five years and has a traffic volume of 18,000 vehicles per day.