Problem 1: Textbook Problem 5.7W The following data was obtained from a survey. Apply the license plate matching method to estimate the average travel time. Plate No. 361 197 818 262 968 388 194 231 212 856 714 732 174 89A ACJ 588 271 Observer A Time (mm:ss) 0:18 0:56 1:28 3:20 3:48 4:18 4:37 5:26 5:34 5:58 6:20 7:10 7:37 8:01 8:26 9:24 9:35 Plate No. 13Q 361 818 954 868 262 388 170 231 212 856 216 732 204 174 616 ACJ Observer B Time (mm:ss) 0:43 1:20 2:10 2:36 3:24 4:09 4:59 5:36 6:09 6:33 6:40 7:53 8:03 8:14 8:31 8:56 9:16

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A certain road section has 3 lanes per direction. The result of a survey that was conducted to get the Peak Hour Volume from 5pm - 8pm, is given below. Determine the level of Service (LOS) using the tables below: 5:00-5:15 5:15-5:30 5:30-5:45 5:45 - 6:00 6:00 - 6:15 6:15-6:30 6:30- 6:45 6:45-7:00 7:00-7:15 7:15-7:30 7:30 - 7:45 7:45-8:00 8:00-8:15 8:15-8:30 8:30- 8:45 8:45-9:00 PCEF Types of Highway 2-lane Multi-lane (per lane) Level of Service Cars 15 95 69 95 10 89 47 56 68 12 100 15 F Source: DPWH Highway Planning Manual 19 69 36 69 Cars 1 0.21 -0.50 0.51 -0.70 0.71 0.85 0.86 - 1.00 greater than 1.0 Traffic Volume Trucks 77 Possible capacity (pcu/hr) 2000 2000 Table S: LOS for road section evaluation Volume / Capacity Ratio less than 0.20 18 25 86 15 2 91 26 59 2 57 92 40 14 15 79 Trucks 2.5 Bus 16 77 58 55 3 49 38 85 24 79 38 59 Description free flow traffic free flow traffic moderate traffic 56 33 83 73 Bus 1.5 *PCEF = Passenger Car Equivalent Factor; this will convert your…

QUESTION 3 Fill in the following blanks for different signal components: • The collection of multiple signal sections serving a particular movement is called signal • Signal • Signal ● Signal is used to restrict the signal indication to one lane only and not other lanes. houses all parts of a signal (lens, light, etc.) changes the colors indicated by signal lamps according to a fixed or variable plan.

what am I doing wrong in these problems?

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this is one question split by parts a and b

Activity 2: Consider the following immediate preceding activity table. Draw the network and calculate the earliest start time, the earliest finish time, the latest start time and the latest finish time of each of the activity. Obtain the critical path. Activity Preceding Activity Estimated occurrence time A 11 A B 3. 7. B D. C,E 2 4. 6 G, I H. L. J.K.L 6365

4-5 An engineer wishing to determine whether there is a statistically significant difference between the average speed of passenger cars and that of large trucks on a section of highway, collected the data shown below. Determine whether the engineer can con- clude that the average speed of large trucks is the same as that for passenger cars. Average Speed (mi/h) Standard deviation of speed ± mi/h Sample size Trucks 62 5.5 275 Passenger Cars 59 6.3 175

Question 30 (0.5 polILS E Listen Perception and reaction time (PRT) is comprised of four elements. Which of the following is in the correct order? 01 Detection, Identification, decision, response 02 Detection, decision, identification, response 03 Identification, detection, decision, response 04 dentification, decision, detection, response