Question 1

The decision sight distance for an urban roadway with a speed of 45 miles per hour (mph) and a maneuver B is which of the following?

Accepted Answer

A) 602 feet 
B) 689 feet 
C) 796 feet 
D) Not enough information provided 
A) 602 feet 
B) 689 feet 
C) 796 feet 
D) Not enough information provided

Question 2

What is the elevation of the point of vertical tangency for an equal-tangent sag vertical curve with the following given information?
G1 = -2%, G2 = +4%, L= 300 ft, PVC Sta = 100+00, PVC Elev = 100.00 ft

Accepted Answer

A) 96 ft 
B) 103 ft 
C) 128 ft 
D) None of the above 
A) 96 ft 
B) 103 ft 
C) 128 ft 
D) None of the above

Question 3

What is the recommended length of a vertical curve to provide a stopping sight distance of 600 feet on a roadway where the ascending grade is +4% and the descending grade is -2%? Assume that S < L; eye height is 3.5 feet; object height is 2.0 feet.

Accepted Answer

A) 333 feet 
B) 600 feet 
C) 1,001 feet 
D) Not enough information provided 
A) 333 feet 
B) 600 feet 
C) 1,001 feet 
D) Not enough information provided

Question 4

When designing the alignment of a roadway, which of the following factors is a general consideration in obtaining the proper mix of horizontal and vertical curves in the final design?

Accepted Answer

A) Design speeds should be appropriate with the local topography 
B) Alignment should be as flat as possible near intersections 
C) For two-lane rural highways, adequate safe passing sections should be incorporated at frequent intervals 
D) All of the above 
A) Design speeds should be appropriate with the local topography 
B) Alignment should be as flat as possible near intersections 
C) For two-lane rural highways, adequate safe passing sections should be incorporated at frequent intervals 
D) All of the above

Question 5

Which of the following is most nearly the stopping site distance for a roadway with a speed of 40 kilometers/hour (km/h) and a grade of 6%?

Accepted Answer

A) 44 meters 
B) 50 meters 
C) 53 meters 
D) 62 meters 
A) 44 meters 
B) 50 meters 
C) 53 meters 
D) 62 meters

Question 6

The American Association of State Highway and Transportation Officials (AASHTO) recommend that the length of a deceleration lane should be based on which of the following criteria?
1. Highway design speed
2. Grade of deceleration lane
3. Design speed of controlling exit ramp curve
4. Design speed of controlling entrance ramp curve
5. Deceleration characteristics of an automobile
6. Deceleration characteristics of a large vehicle

Accepted Answer

A) 1, 2, 3 
B) 1, 2, 3, 5 
C) 1, 3, 4, 5 
D) All of the above 
A) 1, 2, 3 
B) 1, 2, 3, 5 
C) 1, 3, 4, 5 
D) All of the above

Question 7

Which of the following is the stopping sight distance for a speed of 55 miles per hour (mph) on a flat grade roadway?

Accepted Answer

A) 202.1 feet 
B) 492.4 feet 
C) 512.2 feet 
D) 790.0 feet 
A) 202.1 feet 
B) 492.4 feet 
C) 512.2 feet 
D) 790.0 feet

Question 8

A Stormwater Management Plan typically required when constructing a roadway in which of the following conditions?

Accepted Answer

A) Proposed drainage structures will result in a net zero flow rate 
B) The construction will occur during expected wet weather periods 
C) The proposed roadway may cause a significant increase in flow or volume of water to existing drainage facilities or waterways 
D) None of the above 
A) Proposed drainage structures will result in a net zero flow rate 
B) The construction will occur during expected wet weather periods 
C) The proposed roadway may cause a significant increase in flow or volume of water to existing drainage facilities or waterways 
D) None of the above

Question 9

According to AASHTO guidance, traffic control device should meet five principles in order to be effective, including which of the following?

Accepted Answer

A) Allow enough time for response 
B) Aesthetically appealing 
C) A. and B. 
D) None of the above 
A) Allow enough time for response 
B) Aesthetically appealing 
C) A. and B. 
D) None of the above

Question 10

Which of the following grade changes is generally considered acceptable when designing a sag or crest vertical point of intersection without a vertical curve?

Accepted Answer

A) 1.0% or less for design speeds  45 miles per hour 
C) A. and B. 
D) None of the above 
A) 1.0% or less for design speeds  45 miles per hour 
C) A. and B. 
D) None of the above

Question 11

Why is a correction factor applied to roadway earthwork volume calculations for alignments that include a horizontal curve?

Accepted Answer

A) To account for volume of roadway bedding material 
B) To account for soil shrinkage or swell 
C) To account for the eccentricity of the curved area 
D) To provide a factor of safety 
A) To account for volume of roadway bedding material 
B) To account for soil shrinkage or swell 
C) To account for the eccentricity of the curved area 
D) To provide a factor of safety

Question 12

Which of the following best describes the purpose of superelevation in transportation design?

Accepted Answer

A) Counteract the centripetal acceleration produced by curves 
B) Counteract centrifugal force on curves 
C) Counteract frictional force between tires and pavement 
D) All of the above 
A) Counteract the centripetal acceleration produced by curves 
B) Counteract centrifugal force on curves 
C) Counteract frictional force between tires and pavement 
D) All of the above

Question 13

What is the total length of a project that begins at Sta 70+00.00 and ends at Sta 226+45.23?

Accepted Answer

A) 29,645.23 ft 
B) 15,645.23 ft 
C) 2,945.23 ft 
D) 156.45 ft 
A) 29,645.23 ft 
B) 15,645.23 ft 
C) 2,945.23 ft 
D) 156.45 ft

Question 14

Which of the following is the minimum safe radius of a horizontal curve for a two-lane rural highway with a speed limit of 60 miles per hour (mph) and an 8% rate of superelevation? (Assume the coefficient of side friction = 0.12)

Accepted Answer

A) 1,000 feet 
B) 1,100 feet 
C) 1,200 feet 
D) 1,400 feet 
A) 1,000 feet 
B) 1,100 feet 
C) 1,200 feet 
D) 1,400 feet

Question 15

Which of the following is the approximate average velocity of a vehicle that slows from 18 meters/second (m/s) to 2.4 m/s in 4.0 seconds?

Accepted Answer

A) 7.8 m/s 
B) 9.8 m/s 
C) 10.2 m/s 
D) None of the above 
A) 7.8 m/s 
B) 9.8 m/s 
C) 10.2 m/s 
D) None of the above

Question 16

Approximately how long will it take for a truck to go from 55 mph to a complete stop if it is decelerating at a rate of 5 feet/second/second?

Accepted Answer

A) 11 seconds 
B) 16 seconds 
C) 62 seconds 
D) None of the above 
A) 11 seconds 
B) 16 seconds 
C) 62 seconds 
D) None of the above

The decision sight distance for an urban roadway with a speed of 45 miles per hour (mph) and a maneuver B is which of the following?

What is the elevation of the point of vertical tangency for an equal-tangent sag vertical curve with the following given information? G₁ = -2%, G₂ = +4%, L= 300 ft, PVC Sta = 100+00, PVC Elev = 100.00 ft

What is the recommended length of a vertical curve to provide a stopping sight distance of 600 feet on a roadway where the ascending grade is +4% and the descending grade is -2%? Assume that S < L; eye height is 3.5 feet; object height is 2.0 feet.

When designing the alignment of a roadway, which of the following factors is a general consideration in obtaining the proper mix of horizontal and vertical curves in the final design?

Which of the following is most nearly the stopping site distance for a roadway with a speed of 40 kilometers/hour (km/h) and a grade of 6%?

Which of the following is the stopping sight distance for a speed of 55 miles per hour (mph) on a flat grade roadway?

A Stormwater Management Plan typically required when constructing a roadway in which of the following conditions?

According to AASHTO guidance, traffic control device should meet five principles in order to be effective, including which of the following?

Which of the following grade changes is generally considered acceptable when designing a sag or crest vertical point of intersection without a vertical curve?

Why is a correction factor applied to roadway earthwork volume calculations for alignments that include a horizontal curve?

Which of the following best describes the purpose of superelevation in transportation design?

What is the total length of a project that begins at Sta 70+00.00 and ends at Sta 226+45.23?

Which of the following is the minimum safe radius of a horizontal curve for a two-lane rural highway with a speed limit of 60 miles per hour (mph) and an 8% rate of superelevation? (Assume the coefficient of side friction = 0.12)

Which of the following is the approximate average velocity of a vehicle that slows from 18 meters/second (m/s) to 2.4 m/s in 4.0 seconds?

Approximately how long will it take for a truck to go from 55 mph to a complete stop if it is decelerating at a rate of 5 feet/second/second?

Earth Retention

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Earthworks

Estimation

Foundations

Hydraulics Closed

Hydraulics Open

Hydrology

Material Mechanics

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Member Design

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Exam 19: Transportation

The decision sight distance for an urban roadway with a speed of 45 miles per hour (mph) and a maneuver B is which of the following?

What is the elevation of the point of vertical tangency for an equal-tangent sag vertical curve with the following given information? G1 = -2%, G2 = +4%, L= 300 ft, PVC Sta = 100+00, PVC Elev = 100.00 ft

What is the recommended length of a vertical curve to provide a stopping sight distance of 600 feet on a roadway where the ascending grade is +4% and the descending grade is -2%? Assume that S < L; eye height is 3.5 feet; object height is 2.0 feet.

When designing the alignment of a roadway, which of the following factors is a general consideration in obtaining the proper mix of horizontal and vertical curves in the final design?

Which of the following is most nearly the stopping site distance for a roadway with a speed of 40 kilometers/hour (km/h) and a grade of 6%?

Which of the following is the stopping sight distance for a speed of 55 miles per hour (mph) on a flat grade roadway?

A Stormwater Management Plan typically required when constructing a roadway in which of the following conditions?

According to AASHTO guidance, traffic control device should meet five principles in order to be effective, including which of the following?

Which of the following grade changes is generally considered acceptable when designing a sag or crest vertical point of intersection without a vertical curve?

Why is a correction factor applied to roadway earthwork volume calculations for alignments that include a horizontal curve?

Which of the following best describes the purpose of superelevation in transportation design?

What is the total length of a project that begins at Sta 70+00.00 and ends at Sta 226+45.23?

Which of the following is the minimum safe radius of a horizontal curve for a two-lane rural highway with a speed limit of 60 miles per hour (mph) and an 8% rate of superelevation? (Assume the coefficient of side friction = 0.12)

Which of the following is the approximate average velocity of a vehicle that slows from 18 meters/second (m/s) to 2.4 m/s in 4.0 seconds?

Approximately how long will it take for a truck to go from 55 mph to a complete stop if it is decelerating at a rate of 5 feet/second/second?

Earth Retention

Earth Structures

Earthworks

Estimation

Foundations

Hydraulics Closed

Hydraulics Open

Hydrology

Material Mechanics

Material QC

Member Design

Scheduling

Soil and Materials

Soil Mechanics

Struct Loading

Struct Materials

Struct Analysis

Subsurface

Waste Water

Water Treatment

Filters

What is the elevation of the point of vertical tangency for an equal-tangent sag vertical curve with the following given information? G₁ = -2%, G₂ = +4%, L= 300 ft, PVC Sta = 100+00, PVC Elev = 100.00 ft