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Questions and Answers
What term is used for a highway with separated roadways for traffic in opposite directions?
What term is used for a highway with separated roadways for traffic in opposite directions?
What structure below road level is primarily designed for conveying storm water runoff?
What structure below road level is primarily designed for conveying storm water runoff?
Which part of a divided highway separates the traveled ways for traffic in opposite directions?
Which part of a divided highway separates the traveled ways for traffic in opposite directions?
What is the term for the horizontal strip or shelf built into an embankment to break slope continuity?
What is the term for the horizontal strip or shelf built into an embankment to break slope continuity?
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The maximum hourly rate at which vehicles can reasonably be expected to traverse a point on a roadway is known as:
The maximum hourly rate at which vehicles can reasonably be expected to traverse a point on a roadway is known as:
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What feature is included along the side of the traveled way for the recovery of errant vehicles?
What feature is included along the side of the traveled way for the recovery of errant vehicles?
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What defines the maximum safe speed of vehicles on a specific section of highway under favorable conditions?
What defines the maximum safe speed of vehicles on a specific section of highway under favorable conditions?
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What is the purpose of a weep hole in construction?
What is the purpose of a weep hole in construction?
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What is the purpose of a berm in highway construction?
What is the purpose of a berm in highway construction?
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Which term describes the maximum safe speed that vehicles can maintain on a highway section?
Which term describes the maximum safe speed that vehicles can maintain on a highway section?
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What does the term 'median' refer to in highway terminology?
What does the term 'median' refer to in highway terminology?
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What is a culvert primarily used for?
What is a culvert primarily used for?
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What does the term 'subgrade' refer to in road construction?
What does the term 'subgrade' refer to in road construction?
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What does the concept of 'roadway capacity' represent?
What does the concept of 'roadway capacity' represent?
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What is the primary function of a clear zone in roadway design?
What is the primary function of a clear zone in roadway design?
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What does the term 'topography' refer to in the context of highway planning?
What does the term 'topography' refer to in the context of highway planning?
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Study Notes
Highways and Road Terminology
- Arterial Highway: Designed for continuous traffic flow, often on a long, uninterrupted route.
- Berm: A horizontal strip built into an embankment or cut, used to break up long slopes and prevent erosion.
- Culvert: A pipe or box structure positioned below road level to carry stormwater runoff.
- Ditch: An artificial channel dug through earth or rock, used for carrying water.
- Divided Highway: A highway with separated roadways for traffic moving in opposite directions.
- Expressway: A divided highway designed for through traffic, with controlled access and grade separation at intersections.
- Manhole: A removable cover that allows access to sewer conduits and other closed structures for inspection and maintenance.
- Median: The portion of a divided highway separating the roadways for traffic traveling in opposite directions.
- Parkway: A portion of a highway including shoulders for vehicular use, often landscaped and scenic.
- Shoulder: The portion of the roadway adjacent to the traveled way, used for stopped vehicles, emergency access, and providing lateral support to the road base and surface.
- Subgrade: The prepared foundation layer of the roadbed, upon which the subbase and surface courses are constructed.
- Traveled Way: The portion of the roadway intended for vehicle movement, excluding auxiliary lanes, shoulders, bike lanes, parking lanes, and gutters.
- Weep Hole: An opening built into retaining walls, aprons, linings, and foundations to drain water that collects behind and beneath these structures, reducing hydrostatic pressure.
- Topography: The arrangement of the natural and artificial physical features of an area, influencing road design.
- Design Volume: The estimated number of vehicles expected to pass a point on a roadway over its lifespan.
- Design Speed: The maximum safe speed that vehicles can maintain over a specific section of highway under optimal conditions, based on the highway's design features.
- Roadway Capacity: The maximum hourly rate at which vehicles can be expected to travel through a specific point or section of a lane or roadway under given traffic and control conditions.
- Clear Zone: An area along the side of the traveled way, including the shoulder, that provides space for an errant vehicle to recover safely.
- National Roads: Classified as primary and secondary, denoting their importance and role in the national transportation network.
Highway Terminology
- Arterial Highway: A major road designed for continuous through traffic.
- Berm: A horizontal strip built into an embankment or cut to stabilize slopes and prevent erosion.
- Culvert: A pipe or box structure under a road that carries stormwater runoff.
- Ditch: An artificial channel for carrying water, constructed in earth or rock.
- Divided Highway: A road with separate lanes for traffic moving in opposite directions.
- Expressway: A type of divided highway, designed for high-speed, uninterrupted travel with controlled access and grade separations.
- Manhole: An access point for inspection and maintenance of underground utilities like sewer lines.
- Median: The central separation on a divided highway, separating opposing traffic lanes.
- Parkway: A type of highway that includes shoulders for vehicle use.
- Shoulder: The strip of roadway adjacent to the traveled way, used for emergencies and lateral support.
- Subgrade: The prepared foundation layer for the roadbed.
- Traveled Way: The portion of the roadway designed for vehicle movement, excluding auxiliary lanes, shoulders, bike lanes, parking lanes, and gutters.
- Weep Hole: A drainage opening in retaining walls, aprons, and foundations to reduce hydrostatic pressure.
- Topography: The arrangement of the natural and artificial physical features of an area.
Highway Design and Operation
- Design Volume: The estimated number of vehicles expected to use a highway section over its lifespan.
- Design Speed: The maximum safe speed vehicles can maintain on a given section of highway when conditions are ideal.
- Roadway Capacity: The maximum hourly number of vehicles that can pass a point on a road under specific traffic conditions.
- Clear Zone: The area alongside the traveled way, including the shoulder, that provides room for a vehicle to recover from a potential accident.
- National Roads: Classified as primary or secondary, indicating their importance and role within the national road network.
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Description
Test your knowledge on key terms related to highways and road infrastructure. This quiz includes definitions of various elements such as arterial highways, culverts, and expressways. Perfect for anyone interested in transportation engineering or urban planning.
