Download VTU BE 2020 Jan ECE Question Paper 15 Scheme 5th Sem 15CV561 Traffic Engineering

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an.2020 Fifth Semester B.E. Degree Examination, Dec.

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Traffic Engineering
Time: 3 hrs. Max. Marks: 80
Note: Answer any FIVE full questions, choosing ONE full (motion from each module.
Module-1
1 a. Mention various factors that affect road user characteristics. Briefly explain any two.

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(08 Marks)
b. Explain with sketch PIEV theory in analyzing drives reaction time. (08 Marks)
OR
2 a. Briefly discuss Urban Traffic problems in India. (08 Marks)
h. Explain the concept of sustainable urban transport and integrated land use. (08 Marks)

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Module-2
3 a. The spot speed studies were carried out at a certain stretch of a highway. Determine:
(i) The upper and lower speed limit values for mixed traffic.
(ii) Speed to check geometric design elements.
Speed range

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in kmph
No. of vehicles observed Speed range
kmph
No. of vehicles deserved
0 to 10 12 50 to 60 255

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10 to 20 18 60 to 70 119
20 to 30 68 70 to 80 43
30 to 40 89 80 to 90 33
40 to 50 204 90 to 100 9
(08 Marks)

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b. With a help of Desire line diagram, explain the concept of origin and destination survey.
(08 Marks)
OR
4 a. Discuss the various types of parking, their advantages and disadvantages. (08 Marks)
b. Explain in brief level of service concept and factors affecting LOS. (08 Marks)

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Module-3
5 a. Design a Rotary Intersection for the traffic flow in an urban section. At the intersection of
two hi hwa s in the design year are given below:
Approach Left turning Straight ahead Right turning
Commercial Scooter Cars Commercial Scooter Cars Commercial Scooter Cars

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N 200 50 100 250 100 150 150 50 80
E 180 60 80 220 50 120 200 40 120
S 250 80 100 150 50 90 160 70 90
W 220 50 120 180 60 100 250 60 100
Consider PCU values for cars 1. Commercial vehicles 2.8 and for scooters 0.75, entry width

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10 in, length of weaving section 55 in.
(10 Mark0
b.
List different types of grade-separated intersections and explain any one of them. (06 Marks)
1 of 2

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15CV561

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7
t9
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e of Eacig
an.2020 Fifth Semester B.E. Degree Examination, Dec.

--- Content provided by​ FirstRanker.com ---

Traffic Engineering
Time: 3 hrs. Max. Marks: 80
Note: Answer any FIVE full questions, choosing ONE full (motion from each module.
Module-1
1 a. Mention various factors that affect road user characteristics. Briefly explain any two.

--- Content provided by‍ FirstRanker.com ---

(08 Marks)
b. Explain with sketch PIEV theory in analyzing drives reaction time. (08 Marks)
OR
2 a. Briefly discuss Urban Traffic problems in India. (08 Marks)
h. Explain the concept of sustainable urban transport and integrated land use. (08 Marks)

--- Content provided by​ FirstRanker.com ---

Module-2
3 a. The spot speed studies were carried out at a certain stretch of a highway. Determine:
(i) The upper and lower speed limit values for mixed traffic.
(ii) Speed to check geometric design elements.
Speed range

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in kmph
No. of vehicles observed Speed range
kmph
No. of vehicles deserved
0 to 10 12 50 to 60 255

--- Content provided by​ FirstRanker.com ---

10 to 20 18 60 to 70 119
20 to 30 68 70 to 80 43
30 to 40 89 80 to 90 33
40 to 50 204 90 to 100 9
(08 Marks)

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b. With a help of Desire line diagram, explain the concept of origin and destination survey.
(08 Marks)
OR
4 a. Discuss the various types of parking, their advantages and disadvantages. (08 Marks)
b. Explain in brief level of service concept and factors affecting LOS. (08 Marks)

--- Content provided by‍ FirstRanker.com ---

Module-3
5 a. Design a Rotary Intersection for the traffic flow in an urban section. At the intersection of
two hi hwa s in the design year are given below:
Approach Left turning Straight ahead Right turning
Commercial Scooter Cars Commercial Scooter Cars Commercial Scooter Cars

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N 200 50 100 250 100 150 150 50 80
E 180 60 80 220 50 120 200 40 120
S 250 80 100 150 50 90 160 70 90
W 220 50 120 180 60 100 250 60 100
Consider PCU values for cars 1. Commercial vehicles 2.8 and for scooters 0.75, entry width

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10 in, length of weaving section 55 in.
(10 Mark0
b.
List different types of grade-separated intersections and explain any one of them. (06 Marks)
1 of 2

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15
OR
6 a. The 15 minute-traffic counts on cross roads 1 and 2 during peak hour are observed as 17
and 142 vehicles per lane respectively approaching the intersection in the direction of
heavier traffic flow. If the amber times required are 3 and 2 seconds respectively for two

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loads based an approach speeds, design the signal timings by trial cycle method. Assume an
average time headway of 2.5 seconds during green phase. (10 Marks)
b. Explain the following with examples:
(1) Regulatory signs
(ii) Warning signs

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(iii) Informatory signs (06 Marks)
Module-4
7 a. What are the objectives and causes of Road Accidents?
b. Explain with neat sketch lighting layouts.
OR

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8 a. Explain vehicular traffic and environmental hazards.
b. I-Iow integration of public transportation will increase safety of commuters?
(08 Marks)
(08 Marks)
(08 Marks)

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(08 Marks)
Module-5
9 a. List different Travel Demand Management techniques adopted to reduce traffic flows
specially during peak hours. (08 Marks)
b. Discuss the advantages and disadvantages of one way streets. (08 Marks)

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OR
10 a. Discuss the applications of I.T.S in traffic management.
b. Explain road safety education and enforcement.
(08 Marks)
(08 Marks)

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