Category: Traffic Engineering Objective Questions

250+ TOP MCQs on Planning for Pedestrians, Cyclists and Disabled People – 2 and Answers

Traffic Engineering Questions and Answers for Freshers on “Planning for Pedestrians, Cyclists and Disabled People – 2”.

1. What is the minimum width of footpath in India for commercial areas?
a) 2m
b) 3m
c) 1.8m
d) 2.5m
Answer: d
Clarification: The minimum width of footpath in India for commercial areas is 2.5m. It is 1.8m for residential areas. The width should be adequate for two wheelchairs to cross each other.

2. What is the minimum width of cycling path?
a) 1.5m
b) 2m
c) 4m
d) 5m
Answer: b
Clarification: The minimum width of cycling path is 2m. This width is considered when right of way widths do not consider separate cycling path. Usually a cycling path has a clear width of 2.5m.

3. Which of the following is one of the 8 climate mission of the Government of India?
a) National Mission on Sustainable Habitat
b) Nehemiah Sustainable Vision Engagement
c) National Mission on Climate Change
d) National Mission on Transportation
Answer: a
Clarification: One of the 8 climate mission of the Government of India is National Mission on Sustainable Habitat. It was introduced to form sustainable cities that prioritize energy efficiency and public transport especially pedestrians, cyclist, etc.

4. What is the act which refers to the ease of access to offices, public buildings, and transport infrastructure?
a) Rights of Person with Disability Act, 2016
b) Rights of Specially Abled Act, 2016
c) Disabled People Right, 2016
d) Rights of Person with Disability Act, 2015
Answer: a
Clarification: The act which refers to the ease of access to offices, public buildings, and transport infrastructure is Rights of Person with Disability Act, 2016. This act bargains with the issues faced by differently abled people.

5. What was the issue identified in IRC:106, 1990 (Guidelines for Capacity if Urban Roads in Plain Areas)?
a) Doesn’t address cycle infrastructure
b) Cycle as a mode was not considered
c) Parking space for NMT is absent
d) Identifies cycle as a threat
Answer: b
Clarification: The issue identified in IRC:106, 1990 (Guidelines for Capacity if Urban Roads in Plain Areas) is that cycle as a mode was not considered. Another issue was to improve the capacity of roadway, and suggestion was made to impose constrain on slow-moving vehicle.

6. Which of the following factors does not affect the NMT network?
a) Reduction of speed of motorized vehicles
b) Merging safest and fastest route
c) Signalized paths
d) Improving visibility at intersections
Answer: c
Clarification: The factor which does not affect the NMT network is signalized paths for Non-Motorised Transport network. Signals are not required in a Non-Motorised Transport path.

7. What is the data source for Trip Production Pattern in an NMT plan?
a) Household Interview Data
b) Ward Map
c) Property Tax Data
d) Traffic Volume Counts
Answer: a
Clarification: The data source for Trip Production Pattern in an NMT plan is Household Interview Data. Comprehensive Mobility Plan of the city is also a data source for Trip Production Pattern in an NMT plan. Traffic Volume Counts are for Traffic Assignment.

8. Why is Travel Demand Model required?
a) To recreate the road network and travel pattern
a) To recreate the road network only
b) To recreate the travel pattern only
c) To recreate the travel pattern and footpaths
Answer: a
Clarification: Travel Demand Model is required to recreate the road network and travel pattern. This model is used in modelling software to test various measures to refine the existing NMT network.

9. Trip distribution in NMT is carried out based on _____
a) Pedestrian Compatibility Index
b) Cycle Compatibility Index
c) Vehicle Compatibility Index
d) Trip Compatibility Index
Answer: b
Clarification: Trip distribution in NMT (Non-Motorised Transport) is carried out based on the Cycle Compatibility Index (BCI). This index was introduced by University of North Carolina Highway Safety Research Centre.

10. What is the data source for Road Network in an NMT plan?
a) Household Interview Data
b) Ward Map
c) Property Tax Data
d) Land Use Data
Answer: c
Clarification: Property Tax Data is the data source which provides information for Road Network in an NMT plan. Other data sources are primary data for road inventory and link speeds and secondary data on road widths.

11. What is the WALK interval when the number of pedestrians is 10?
a) 4 s
b) 5.9 s
c) 6.2 s
d) 10 s
Answer: b
Clarification: WALK = 3.2 + 0.27 Npeds
= 3.2 + 0.27 X 10 = 5.9 s.

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250+ TOP MCQs on Traffic Streams, Gap and Gap Acceptance and Answers

Traffic Engineering MCQs on “Traffic Streams, Gap and Gap Acceptance”.

1. What is gap acceptance?
a) Maximum gap required to finish lane changing safely
b) Minimum major-stream headway during which a minor-street vehicle can make a manoeuvre
c) Time interval between the arrival of two cars
d) Minimum gap required to finish lane changing safely
Answer: d
Clarification: Gap acceptance is the minimum gap required to change the lane safely. It is the process by which a vehicle moves to an available gap. A gap acceptance model reports how a driver decides whether to accept or not.

2. Which of the following equation can be used to determine the expected number of adequate gaps that will take place at an unsignalized intersection or at the merging area of an expressway?
a) P(0) = P(h>0, h=0) = e—λt
b) P(0) = P(h=0) = e—λt
c) P(0) x P(h>0) = e—λt
d) P(0) = P(h>0) = e—λt
Answer: a
Clarification: P(0) = P(h>0, h=0) = e—λt is the equation that can be used to determine the expected number of adequate gaps that will take place at an unsignalized intersection or at the merging area of an expressway.

3. Which of the following is determined by gap acceptance?
a) To determine the delay of vehicles in minor streams aiming to merge onto major streams
b) To determine the maximum gap required to finish lane changing safely
c) To determine the minimum gap required to finish lane changing safely
d) To determine minimum major-stream headway during which a minor-street vehicle can make a manoeuvre
Answer: a
Clarification: Gap acceptance determines the delay of vehicles in minor streams which are aiming to merge onto major streams. This depends on the distribution of the arrival of mainstream vehicles at the area of merge.

4. Which of the following is not a parameter of traffic stream?
a) Density of traffic
b) Flow of traffic
c) Speed
d) PCU
Answer: d
Clarification: PCU is not a parameter of traffic stream. Density of traffic, flow of traffic and speed are the parameters of traffic stream. The traffic stream parameters can be macroscopic or microscopic.

5. Which of the following is the parameter of traffic stream that has microscopic characteristics?
a) Flow
b) Density
c) Speed
d) Space headway
Answer: d
Clarification: Space headway is the parameter of the traffic stream that has microscopic characteristics. Flow, density of traffic and speed are the parameters of traffic stream that has macroscopic characteristics.

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250+ TOP MCQs on Parking Surveys – 1 and Answers

Traffic Engineering Multiple Choice Questions on “Parking Surveys – 1”.

1. What information does parking surveys not provide?
a) Data regarding availability of parking space
b) Data regarding the extent of its usage
c) Data regarding parking demand
d) Data regarding pedestrians path
Answer: d
Clarification: Parking surveys do not provide data regarding pedestrians path. Parking surveys provide information about the availability of parking space, extent of its usage, and parking demand.

2. Which of the following parking statistics is expressed by accumulation curve?
a) Parking accumulation
b) Parking volume
c) Parking load
d) Parking turnover
Answer: a
Clarification: Parking accumulation is the parking statistics that is expressed by the accumulation curve. Accumulation curve is the graph attained by plotting the number of bays occupied with respect to time.

3. The area under accumulation curve is known as _______
a) Parking load
b) Parking accumulation
c) Parking volume
d) Parking turnover
Answer: a
Clarification: The area under accumulation curve is known as the Parking load. Parking load is also obtained by multiplying the number of vehicles occupying the parking area at each time interval with the time interval.

4. Parking turnover is expressed as _________
a) number of vehicles per bay per time duration
b) vehicle hours
c) accumulation curve
d) turnover curve
Answer: a
Clarification: Parking turnover is expressed as number of vehicles per bay per time duration. Parking load is expressed as vehicle hours and the accumulation curve represents parking accumulation.

5. Which of the following parking statistics gives an aggregate measure of how effectively the parking space is utilized?
a) Parking index
b) Parking load
c) Parking accumulation
d) Parking turnover
Answer: a
Clarification: Parking index is the parking statistics which gives an aggregate measure of how effectively the parking space is utilised. The parking index is also called occupancy/efficiency.

6. Parking index is defined as __________
a) the ratio of the number of bays occupied in a time duration to the total space available
b) ratio of total vehicle hours to the number of vehicles parked
c) total number of vehicles parked at a given duration of time
d) number of vehicles parked at a given instant of time
Answer: a
Clarification: Parking index is defined as the ratio of the number of bays occupied in a time span to the total space available. It can be found out by, Parking index = (Parking load/Parking capacity)x100.

7. Fixed period sampling of parking surveys is similar to which of the following surveys?
a) In-out survey
b) License plate method
c) Turnover Surveys
d) Duration Surveys
Answer: a
Clarification: Fixed period sampling of parking surveys is similar to In-out survey. In this survey all vehicles are counted at the beginning of the survey and then again after a fixed time interval of 15 minutes to1 hour.

8. Parking duration and turn over is not obtained in which of the following survey?
a) In-out survey
b) License plate method
c) Turnover Surveys
d) Cordon count
Answer: a
Clarification: In-out survey does not provide parking duration and turn over as data concerning the time duration for which a particular vehicle used that parking lot is not noted.

250+ TOP MCQs on Road Characteristics – 1 and Answers

Traffic Engineering Multiple Choice Questions on “Road Characteristics – 1”.

1. How many travel movements are present on a typical trip?
a) 5
b) 6
c) 3
d) 2
Answer: b
Clarification: There are 6 types of travel movements on a typical trip as per AASHTO. Main Movement, Transition, Distribution, Collection, Access, and Termination are the 6 types of travel movements in a typical trip as per AASHTO.

2. Which travel movement occurs when vehicle transfers from the through portion of trip to the remaining travel movement functions?
a) Main Movement
b) Access
c) Transition
d) Distribution
Answer: c
Clarification: The travel movement which occurs when vehicle transfers from the through portion of the trip to the remaining travel movement function is Transition. For example, a vehicle uses ramp transition from a freeway to a surface arterial.

3. In how many groups are highways classified based on access and mobility?
a) 3
b) 4
c) 6
d) 2
Answer: b
Clarification: Highways are classified into 4 groups based on access and mobility. The four major classes of highways are Limited-access facilities, Arterials, Collectors and Local street.

4. Which class of highway classification provides 100% mobility?
a) Arterials
b) Collectors
c) Limited-access facilities
d) Local street
Answer: c
Clarification: Limited-access facilities is the class of highway classification that provides 100% mobility. But access to bordering land is prohibited.

5. Arterials are surface facilities designed essentially for through movement and not permitting any access to abutting land.
a) True
b) False
Answer: b
Clarification: The given statement is false. Arterials are surface facilities designed essentially for through movement of vehicles. They permit some access to abutting land.

6. The function of arterial can be strengthened by which of the following options?
a) Incorporating sharp curvature
b) Use of cul-de-sacs
c) Not having any residence in front of collector
d) Limiting the number of locations of entry and exit on the arterial
Answer: d
Clarification: By limiting the number of locations of entry and exit on the arterial, the function of arterial can be strengthened. Incorporating sharp curvature and use of cul-de-sacs strengthens the function of local street. Not having any residence in front of collector strengthens the function of collector.

7. Coordinated signals provided for continuous progressive movement at appropriate speed strengthens the function of arterial.
a) True
b) False
Answer: a
Clarification: The given statement is true. Coordinated signals provided for continuous progressive movement at appropriate speed to strengthen the function of arterial. Parking prohibition also strengthens the function of arterial.

8. Which of the following is not a primary element of the geometry of a highway section?
a) Horizontal alignment
b) Vertical alignment
c) Cross-sectional element
d) Traffic Signals
Answer: d
Clarification: Traffic Signals is not a primary element of the geometry of a highway section. Horizontal alignment, vertical alignment, and cross-sectional element are the primary elements that govern the geometry of a highway.

9. Which of the following is an important consideration for designing Horizontal alignment?
a) Social consideration
b) Aesthetics
c) Maintenance of comfortable operations
d) Superelevation
Answer: a
Clarification: Social consideration is is an important factor when designing a Horizontal alignment. Forecast demand volumes, patterns of development and natural barriers are some of the factors that are considered when designing a Horizontal alignment.

10. Which of the following is not an Engineering factor?
a) Topography
b) Natural barriers
c) Forecast demand volumes
d) Drainage patterns
Answer: c
Clarification: Forecast demand volumes is not an Engineering factor. It deals with demand prediction and specific origin and destination of vehicles.

11. What is the unit of Grade in a vertical alignment?
a) Meter
b) Hectare
c) Dimensionless
d) Kilograms
Answer: c
Clarification: Grade in a vertical alignment is a dimensionless quantity. Grade is the longitudinal slope of a roadway. It is represented with a decimal or percentage.

12. Which of the following is a primary design criterion for vertical curves?
a) Drainage
b) Forecast demand volumes
c) Sub-surface conditions
d) Natural barriers
Answer: a
Clarification: Drainage is a primary design criterion for vertical curves. Forecast demand volumes, sub-surface conditions, and natural barriers are primary factors for designing horizontal curves.

13. Which of the following is an important consideration for designing cross-sections of a highway?
a) Superelevation
b) Topography
c) Forecast demand volumes
d) Sub-surface conditions
Answer: a
Clarification: Superelevation is an important consideration for designing cross-sections of a highway. Lane widths, medians, and shoulders are some of the considerations taken when designing cross-sections of a highway.

14. Cross-sections are designed every 30.5 m along the length and at the point that forms a transition.
a) True
b) False
Answer: a
Clarification: The above statement, “Cross-sections are designed every 30.5 m along the length and at the point that forms a transition” is true. This is done to provide comfort to the riders.

250+ TOP MCQs on Introduction to Highway Capacity and Answers

Traffic Engineering Multiple Choice Questions on “Introduction to Highway Capacity”.

1. What is the definition of Highway Capacity?
a) The minimum traffic flow that can be accommodated in a highway facility in a given time period under existing roadway and control conditions
b) The maximum traffic flow that can be accommodated in a highway facility in the future
c) The minimum traffic flow that can be accommodated in a highway facility according to data from the previous year
d) The maximum traffic flow that can be accommodated in a highway facility in a given time period under existing roadway and control conditions
Answer: d
Clarification: Highway Capacity is the maximum traffic flow that can be contained in a highway facility in a given time period under existing roadway and control conditions. It is the maximum flow under prevailing conditions of road and traffic control systems.

2. How many types of highway capacity was defined by Highway Capacity Manual (1950)?
a) 2
b) 5
c) 3
d) 4
Answer: c
Clarification: There are 3 types of highway capacity defined by Highway Capacity Manual (1950). They are basic capacity, possible capacity, and practical capacity. Highway Capacity Manual was introduced by O.K Norman.

3. Which of the following capacity is considered as design capacity?
a) Basic capacity
b) Possible capacity
c) Practical capacity
d) Traffic capacity
Answer: c
Clarification: Practical capacity is considered as design capacity. Practical capacity is the highest number of vehicles that can cross a given point in the roadway in an hour when the traffic density does not cause any risk or unwanted delay.

4. Which of the following parameter is not dependent on highway capacity?
a) Class of highway
b) Lane width
c) Number of lanes
d) Gauge width
Answer: d
Clarification: Gauge width is the parameter that is not dependent on highway capacity. Class of highway, lane width, number of lanes, and intersections are the parameters dependent on highway capacity. Development of traffic management measures, geometric elements, and traffic control devices can also be achieved with the aid of studies on highway capacity.

5. What is the capacity value for urban roads as per IRC for one-way traffic flow with two lanes?
a) 1500 PCU/hr
b) 2400 PCU/hr
c) 3600 PCU/hr
d) 4000 PCU/hr
Answer: b
Clarification: The capacity value for urban roads as per IRC for one-way traffic flow with two-lane is 2400 PCU/hr. It is 1500 PCU/hr for two-way two-lane traffic flow and 3600 PCU/hr for one-way three-lane traffic flow.

6. Which of the following is not a factor affecting traffic capacity?
a) Lane width
b) Lateral clearance
c) Gradient
d) Traffic control devices
Answer: c
Clarification: Traffic control devices is not a factor affecting traffic capacity. Roadway conditions such as lane width, lateral clearance, gradient, and shoulders affect traffic capacity. Traffic conditions such as number of traffic lanes, driver characteristics, types of vehicles on the road also affect traffic capacity.

7. Highway capacity is independent of _____
a) demand
b) lane width
c) geometric design
d) traffic conditions
Answer: a
Clarification: Highway capacity is independent of demand. Capacity is the number of vehicles that the road can accommodate in its existing condition. It is independent of the number of vehicles demanding service.

8. Capacity is a probabilistic measure.
a) True
b) False
Answer: a
Clarification: “Capacity is a probabilistic measure” is a correct statement. It varies with respect to location and time. It is generally obtained through field observations.

9. What is maximum flow rate?
a) Worst 15 minutes of the peak hours
b) Worst 10 minutes of peak hours
c) Worst 30 minutes of the peak hours
d) Worst 5 minutes of the peak hours
Answer: a
Clarification: Maximum flow rate is the worst 15 minutes of the peak hours. Capacity is the maximum flow rate that the road facilities can bear in prevailing condition.

10. Capacity is measured as a reasonably expected value and not the maximum flow rate observed in the facility. Why?
a) Because capacity at a given location varies from day to day
b) Because capacity at a given location doesn’t vary
c) Because capacity at a given location varies from year to year
d) Because capacity at a given location decreases simultaneously
Answer: a
Clarification: Capacity is measured as a reasonably expected value and not the maximum flow rate observed in the facility. This is because capacity at a given location varies from day to day due to various factors like local driving habits.

250+ TOP MCQs on Parking Surveys – 2 and Answers

Traffic Engineering Questions on “Parking Surveys – 2”.

1. Which of the following survey method is the most labour intensive?
a) In-out survey
b) License plate method
c) Turnover Surveys
d) Cordon count
Answer: b
Clarification: License plate method is the most labour intensive survey in parking studies. In the In-out survey, labor required is very less. Only one person may be enough for this survey.

2. Which of the following surveys provide the most accurate data?
a) In-out survey
b) License plate method
c) Turnover Surveys
d) Cordon count
Answer: b
Clarification: License plate method provides the most accurate and practical data in parking studies. In this survey, every parking stall is monitored at a continuous interval of 15 minutes and the license plate number is recorded.

3. Parking accumulation is defined by _________
a) the number of vehicles parked at a given instant of time
b) the total number of vehicles parked at a given duration of time
c) ratio of total vehicle hours to the number of vehicles parked
d) aggregate measure of how effectively the parking space is utilized
Answer: a
Clarification: Parking accumulation is defined by the number of vehicles parked at a given instant of time. Parking volume is the total number of vehicles parked at a given duration of time.

4. Which of the following is not a type of on-street parking system?
a) Parallel parking
b) Right-angle parking
c) 30 degrees parking
d) Metered parking
Answer: d
Clarification: Metered parking is not a type of on-street parking system. Parallel parking, right-angle parking, 30 degrees parking, 45 degrees parking, and 60 degrees parking are types of on-street parking system.

5. Which type of parking has areas exclusively allotted for parking at some distance away from the mainstream of traffic?
a) Off street parking
b) Parallel parking
c) 30 degrees parking
d) Right-angle parking
Answer: a
Clarification: Off street parking is the type of parking which has areas exclusively allotted for parking at some distance away from the mainstream of traffic. They are usually operated by public agencies or private corporations.

6. What are the parking requirements for residential plot area from 500 to 1000 sq. m?
a) Minimum one-fourth of the open area
b) Minimum one-fifth of the open area
c) Minimum one-third of the open area
d) Minimum one-sixth of the open area
Answer: a
Clarification: The parking requirements for residential plot area from 500 to 1000 sq. m is minimum one-fourth of the open area. Offices require at least one space for every 70 sq. m as a parking area.

7. The rate of use of a parking facility is known as _____
a) Parking turnover
b) Parking index
c) Parking load
d) Parking accumulation
Answer: a
Clarification: The rate of use of a parking facility is known as Parking turnover. It is determined by dividing the number of available parking spaces into the number of vehicles parked in those spaces in a time period.

8. Which of the following is not a type of Off street parking?
a) Surface car park
b) Multi-storey park
c) Roof parks
d) Parallel parking
Answer: d
Clarification: Parallel parking is not a type of Off street parking. It is type of on-street parking. Surface car park, multi-storey park, roof parks, and underground car parks are some of the Off street parking facilities.

Traffic Engineering for Experienced people,