Group 4

Question 1

What determines the Number Of Lanes in highway design?

Answer 1

estimated traffic volume and lane capacity

Question 2

How many lanes does the AASHTO (American Association of State Highway and Transportation
Officials) allow?

Answer 2

16 lanes (dually divided)

Question 3

a four- to eight-lane limited access toll that links Metro Manila to the
northern provinces of Central Luzon such as Bulacan and Pampanga.

Answer 3

NLEX (North Luzon Expressway)

Question 4

Barriers that are constructed in the middle of the road

Answer 4

Highway Median

Question 5

3 types of Highway Median

Answer 5

Paint Line
Concrete Barriers
Curbs

Question 6

3 types of Highway Median based on design

Answer 6

Raised
Flushed
Depressed

Question 7

An island placed at the middle of the road to separate opposing lanes of traffic

Answer 7

Raised

Question 8

Type of median that has no physical barrier

Answer 8

Flushed

Question 9

Low in level and can be used to collect storm or rainwater

Answer 9

Depressed

Question 10

Chain link fence supported by steel posts and cables.

Answer 10

Non-Traversable Energy Absorbing Devices

Question 11

Purpose/benefits of Non-Traversable Energy Absorbing Devices

Answer 11

Enhances Safety
Reduces accident severity

Question 12

Area between traffic lane edge and ditch/curb, and is adjacent to the roadway itself

Answer 12

Road Shoulder and Verges

Question 13

What are the primary functions of road shoulder and verges?

Answer 13

Safety
Temporary Stopping
Pedestrian and Bicycle Use
Drainage

Question 14

Usually graded and sloped to create a smooth transition for vehicles leaving the road.

Answer 14

Clear Zones

Question 15

Functions of a curb

Answer 15

drainage control
edge delineation
right of way reduction
aesthetics
delineation of pedestrian walkways
reduction of maintenance operations
assistance in roadside development.

Question 16

paved or designated pathways that run alongside streets and roads,
providing a dedicated space for pedestrians to walk safely and separate from vehicular
traffic.

Answer 16

Sidewalks

Question 17

broader terms that encompass any designated routes for pedestrians,
which can include sidewalks, trails, footpaths, greenways, etc.

Answer 17

Pedestrian Paths

Question 18

Commonly used on roads, the road centerline is higher than
the edges, promoting water runoff toward the road shoulders.

Answer 18

Crown Cross-slope

Question 19

On curves, the outer edge of the road is raised higher than the
inner edge to counteract centrifugal forces and improve vehicle stability.

Answer 19

Superelevation

Question 20

represent the
degree of slope or incline of a roadway and are important because they affect vehicle
performance, fuel efficiency, and safety

Answer 20

Highway Grade

Question 21

serve as controlled junctures where traffic streams merge, intersect, or
diverge, thereby ensuring a structured and secure vehicular flow within the road network.

Answer 21

Highway Intersections

Question 22

What are the types of Highway Intersections?

Answer 22

4 Way Intersection
T-intersection
Y-intersection
Roundabouts
Uncontrolled intersection

Question 23

Help improve the resistance to skidding on the road pavement.

Answer 23

Cross-slopes

Question 24

Type of intersection where two roads cross each other at right angles.

Answer 24

Four-way intersection

Question 25

Type of intersection where one road ends or terminates at another

Answer 25

T-intersection

Question 26

Type of intersection where two roads converge one

Answer 26

Y-intersection

Question 27

Intersection without traffic signals, stop signs, or yield signs.

Answer 27

Uncontrolled intersection

Question 28

allow vehicles to merge safely and efficiently onto the freeway. Drivers use these ramps to accelerate to the speed of the freeway traffic before merging.

Answer 28

Entrance ramps

Question 29

serve to separate vehicles leaving the freeway from those continuing on the main lanes. This separation is crucial for maintaining smooth traffic flow.

Answer 29

Exit ramps

Question 30

Exit ramps feature _________ for vehicles to safely reduce speed and prepare for the exit, thus minimizing abrupt stops on the main freeway lanes.

Answer 30

Deceleration lanes

Question 31

prevent traffic congestion caused by waiting for trains to pass at level crossings, ensuring smoother traffic flow.

Answer 31

Grade separations

Question 32

benefit of separations to railroads

Answer 32

maintain consistent speeds without frequent crossings,

enhancing efficiency,

reducing maintenance costs.

Question 33

Offer dedicated space to cyclists

Answer 33

Bicycle lanes

Question 34

Moderates curve sharpness enabling controlled higher speed navigation

Answer 34

Curve widening

Question 35

Benefits of curve widening

Answer 35

Enhances safety, improve sightlines, facilitate larger vehicles

Question 36

Used to manage lane assignment

Answer 36

Islands

Question 37

a junction of two or more highways by a system of separate levels that permit traffic to pass from one to another without the crossing of traffic streams.

Answer 37

Interchange or highway interchange (? Idk)

Question 38

also known as a “Y-interchange,” is a specific type of highway interchange that resembles the letter “Y” in its layout. This type of interchange typically involves three distinct roadways merging or diverging at a single point.

Answer 38

Y-type interchange

Question 39

is a form of highway interchange that is meant to let traffic flow smoothly between a freeway or expressway and a local road or other highway. It gets its name from its unusual form, which resembles a trumpet or funnel.

Answer 39

trumpet interchange

Question 40

Is a common type of highway interchange designed to allow vehicles to exit and enter a freeway or expressway via a pair of intersecting roads. It is named for its shape, which resembles a diamond when viewed from above.

Answer 40

diamond interchange

Question 41

is a type of highway interchange designed to facilitate the controlled movement of traffic between a freeway or expressway and intersecting roads while minimizing the amount of land and construction required

Answer 41

partial cloverleaf Interchange

Question 42

is a complex and efficient type of highway interchange designed to facilitate the smooth flow of traffic between a freeway or expressway and intersecting roads

Answer 42

cloverleaf interchange

Question 43

Also called T interchange and allows one highway to end/begin perpendicularly to another highway. It has a lower footprint than a trumpet interchange but requires the construction of three overpasses.

Answer 43

Three-way interchange