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Questions and Answers
What is the typical width of the aggregate subbase course for a two-lane earth road?
What is the typical width of the aggregate subbase course for a two-lane earth road?
- 1.0 meter
- 2.0 meters (correct)
- 4.0 meters
- 3.0 meters
What is the purpose of an aggregate base course?
What is the purpose of an aggregate base course?
- To carry traffic loads to the subgrade (correct)
- To prevent water infiltration into the subgrade
- To support the bituminous pavement
- To provide a smooth riding surface
What is the typical width of a bituminous pavement for a two-lane road?
What is the typical width of a bituminous pavement for a two-lane road?
- 3.0 meters
- 4.0 meters
- 2.0 meters (correct)
- 1.0 meter
What is the purpose of road side ditches?
What is the purpose of road side ditches?
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What is the typical width of the carriageway for a roadway on a lateral or sub-lateral irrigation canal?
What is the typical width of the carriageway for a roadway on a lateral or sub-lateral irrigation canal?
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What is the purpose of road shoulders?
What is the purpose of road shoulders?
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What is the typical slope of the road shoulders for a two-lane earth road?
What is the typical slope of the road shoulders for a two-lane earth road?
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What is the purpose of the aggregate subbase course?
What is the purpose of the aggregate subbase course?
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What is the typical width of the concrete pavement for a two-lane road?
What is the typical width of the concrete pavement for a two-lane road?
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What is the purpose of road expansion sites?
What is the purpose of road expansion sites?
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