30 Questions
What should be minimized to keep the work done on hill roads as low as possible?
The sum of the ineffective rise and fall in excess of floating gradient
What distinguishes expressways from regular arterial highways?
Full access control
What should be avoided when aligning hill roads to prevent instability issues?
Deep cutting and unbalanced earthwork
What is the primary goal of an economical highway alignment?
To minimize maintenance cost
What type of traffic are expressways primarily designed for?
Through traffic
What is the highest allowable grade (slope) for Tourism Roads?
6.0%
What is one potential benefit of Tourism Roads to local communities?
Improved community infrastructure
Where are municipal roads typically located within a municipality?
Residential neighborhoods
What is the maximum allowable grade (slope) for provincial roads in the Philippines?
6.0%
How are national roads in the Philippines classified?
Primary, secondary, and tertiary roads
Why are wider medians, ideally 4.50 to 18.50 meters, better for planning intersections and separating traffic in rural areas?
To enhance safety and traffic flow
What does 'superelevation runoff' refer to in road design?
The handling of water flow on curved road sections
According to the information provided, what is the primary purpose of adequate shoulders on the narrowest highways?
To encourage drivers to use them in emergencies
Which of the following factors should NOT be considered when determining the lane width for 2-lane highways?
Environmental impact
What is the recommended width range for a climbing lane on a highway with a grade greater than 6%?
3.00 m to 3.35 m
Which of the following highway types is considered inappropriate as part of an improved highway system in modern highway design practice?
Three-lane highways
In what type of areas are undivided highways most applicable?
Urban and suburban areas with concentrated development
Where should a climbing lane on a highway with a steep grade typically begin?
At the bottom of the grade
What is the purpose of using superelevation or banking in road design?
To counteract centrifugal force and keep vehicles on the road
When might narrow shoulder widths be used on 2-lane highways?
When traffic volume is low or economic considerations govern
Why are climbing lanes typically needed on multilane roads?
When long uphill stretches reduce capacity by 30% or more
What is the characteristic feature of a divided highway?
Typically has two full lanes per direction and a wide median
What is the standard lane width for 2-lane highways?
3.65 meters
How far should the climbing lane typically extend?
Beyond the crest where the truck can attain a speed of 50 kph
What is the minimum width of the traveled way for 2-lane national roads in the Philippines?
6.70 meters
Which of the following best describes where provincial roads in the Philippines typically connect to?
Public plazas
How is a provincial road in the Philippines officially recognized to receive national aid for maintenance?
By a recommendation from the Provincial Board (Sangguniang Panlalawigan)
What is the minimum required width of the road right of way for city roads?
15.00 meters
What is the highest allowable grade (slope) for city and municipal roads?
6.0%
What is the primary purpose of Tourism Roads?
To showcase unique natural beauty and attract tourists
Test your knowledge on the alignment of hill roads by answering questions about minimizing work, reducing the need for cross drainage structures, and preventing instability issues. Learn about key factors that impact the design of hill road alignments.
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