Given the following spot speed data: Speed Group Observed vehicles 45-49 5 50-53 16 54-57 29 58-61 36 62-65 41 66-69 21 70-73 4 A. Calculate the 15th, 50th, and 85th percentile. B. Recommend appropriate speed limits with justification.
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- 2. Describe the following types of traffic volume counts and explain when they are used: (a) screen-line counts, (b) cordon counts, (c) intersection counts, and (d) control counts.Q1 The following table show the results of traffic counts for a rural highway at each 10 minutes during one hour, calculate the hour volume and the peak hour factor. Time Counts 7.00-7.10 500 7.10-7.20 575 7.20-7.30 475 7.30-7-40 525 7.40-7.50 425 7.50-8.00 580The parking survey data collected from a parking lot by license plate method is as shown in the table below. Find the average occupancy, average turn over, parking load, parking capacity and efficiency of the parking lot. BAY P1 P2 P3 P4 Time 00-10 10-20 20-30 30-40 40-50 50-60 A1212 Y1212 B1212 C1212 D1212 E1212 H7896 H7698 K7878 B1012 C1210 E1021 M7878 K1612 K7887 K7878 G0012 P1010 F6666 F6666 F6666 F6666 Q1 L3232 L3232 L3232 L3232 L3232 L3232 Q2 A1919 A1919 B1645 P7814 Q3636 V0001 Q3 M2756 M2756 M2756 Q4 R6015 P6015 B6015 E6015 Q5 Q6 Q6666 B1212 Q6666 B1212 Q6666 B1212 M2756 F6015 E6015 T1010
- Spot speed study was carried out redesign the stretch of major district road. The data collected during th estudy is given below. (1) (ii) Speed Range kmph 0-10 10-20 20-30 30-40 40-50 50-60 60-70 70-80 80-90 90-100 Frequency of vehicles Cars Two Wheelers 5 20 24 20 30 35 25 10 10 1 0 6 12 30 60 35 35 15 18 9 What is the design speed for redesigning existing MDR? What are upper and lowe speed limits for mixed traffic? Others 0 4 4 5 30 30 15 10 2 0Calculate the minimum passing sight distance required for a two-lane rural roadway that has a posted speed limit of 45 mi/h. The local traffic engineer conducted a speed study of the subject road and found the following: average speed of the passing vehicle was 47 mi/h with an average acceleration of 1.43 m/h/sec, and the average speed impeder vehicles was 40 mi/h. Write your solutions.Calculate the minimum passing sight distance required for a two-lane rural roadway that has a posted speed limit of 45 mi/h. The local traffic engineer conducted a speed study of the subject road and found the following: average speed of the passing vehicle was 47 mi/h with an average acceleration of 1.43 m/h/sec, and the average speed impeder vehicles was 40 mi/h. Write your step by step solutions.
- Choose the right answer traffic volume data has been collected for 15 min time intervals as shownbelow. Find the total hourly volume, flow rate and peak hour factor (PHF). Time:7:30 - 7:45 7:45 - 8:00 8:00 - 8:15 8:15 - 8:30 Volume 200 300 350 250 * a-0.876 b-0.877 c-0.878How much time (in seconds) does a person traveling on a grade of -1% at a speed of 69 mph have to hit the brakes to stop before hitting a monster seen in the middle of the road 970 feet away? Assume the practical stopping distance equation and the AASHTO standards for unspecified variables apply.Transportation The table shows a 15-minute volume counts during the peak hour on an approach of an intersection
- Calculate the minimum passing sight distance required for a two-lane rural highway that has a posted limit of 72 kph. The local traffic engineer conducted a speed study of the subject road and found the following: Average speed of passing vehicle= 76 kph Average acceleration of passing vehicle= 2.3 kph/sec Average speed of impeder vehicles= 64 kph Show complete solution. Need ASAP. Thank you.Describe the following types of traffic volume counts and explain when they are used: (a) screen-line counts, (b) cordon counts, (c) intersection counts, and (d) control counts. Help me please. I will upvote, Thankyou :)The spot speed data on the corridor was collected as shown in the Table below. Vehicle # Spot speed (mph) 1 2 3 4 45 45 45 40 If X is the value of time-mean speed, and Y is the value of space-mean speed. Then, report the value of X minus Y, correct to 1 digit after the decimal.