CEE 320 - Anne Goodchild - Fall 2010 - Sample Final

# CEE 320 - Anne Goodchild - Fall 2010 - Sample Final - 1 CEE...

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Unformatted text preview: 1 CEE 320 Final Examination (2 hours) Please write your name on this cover. Please write you last name on all other exam pages There are 7 questions worth a total of 200 points. Each question lists the point value for that question. Please work quietly and respect other people’s space. Carefully read each question and ensure that you answer what is asked. If you need additional workspace, use the back of the page or the blank page included at the end of the examination. If you need to unstaple pages, I have a stapler to restaple them at the end of the examination. Name (first, last): ___________________________________________ 2 Question 1: Short Answers (5 points each) Using basic traffic stream models, if the jam density of a particular roadway is 500 vehicles/mile, what is the density at capacity? Page 143 in the text shows the following relationship: 2 j cap k k Therefore, mile vehicles o k cap / 250 2 5 What speed estimation parameter (g) should be used if you are trying to estimate speed using a single loop detector (6 ft long) for a 24 ft long vehicle? Use the “Traffic Detection” lecture notes. The equation is: 100 280 , 5 EVL g EVL = vehicle length + detector length = 24+ 6 = 30 feet 76 . 1 100 30 280 , 5 g What is the most popular type of traffic detector at new ATMS sites today? Loop detector. This is straight off slide 13 of the “Traffic Detection” lecture. Give 3 examples of intelligent transportation systems (ITS) used by the Washington State Department of Transportation. Traffic Systems Management Center Variable message signs Weather monitoring stations Traffic maps on web, PDA 511 traffic information service Trafficgauge devices Traffic cameras Ramp metering Weigh-in-motion stations There are many more Given the following traffic counts, what is the peak hour factor for 4:00pm to 5:00pm? Time Period Volume (vehicles) 4:00–4:15 525 4:15–4:30 600 4:30–4:45 550 4:45–5:00 575 3 9375 . 4 600 250 , 2 4 15 V V PHF (2 significant digits if fine too: 0.94) When a bottleneck is activated, is the departure rate equal to capacity, or the arrival rate? capacity Which of the following is a linear relationship? Speed vs. Density Flow vs. Density Speed vs. Flow Which US President was responsible for the development of the US Interstate System? Eisenhower What metric is used to calculate intersection Level of Service?...
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• Fall '08
• WangWang
• Freeway, Rush hour, Traffic congestion, average queue length, Evergreen Point Floating Bridge, additional morning peak

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CEE 320 - Anne Goodchild - Fall 2010 - Sample Final - 1 CEE...

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