Urban Planning and Transportation Design
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Questions and Answers

What is a primary consideration for geometric design of highways?

  • Ensuring safety and avoiding surprise (correct)
  • Standardizing road surface type
  • Maximizing traffic volume
  • Minimizing construction cost
  • What is a key factor in determining the classification of a road?

  • Function and geometric elements (correct)
  • Location and legal control
  • Traffic volume and surface type
  • Urban vs. rural setting
  • What is a crucial aspect of road network design?

  • Minimizing construction time
  • Maximizing road capacity
  • Enhancing road aesthetic appeal
  • Facilitating vehicular travel between points of trip origin and destination (correct)
  • Why should highway design avoid abrupt changes in alignment and grade?

    <p>To improve road safety and avoid surprise</p> Signup and view all the answers

    What is a key consideration in designing a roadway cross-section?

    <p>Enhancing road drainage and pavement design</p> Signup and view all the answers

    Why should highway design be as simple as possible from the builder's standpoint?

    <p>To simplify construction and reduce cost</p> Signup and view all the answers

    What is the minimum width of a traffic lane based on a design truck having a maximum width of 2.5m or 8ft?

    <p>3.5m</p> Signup and view all the answers

    What is the type of vehicle with a wheelbase of 6.10m and an overall length of 9.15m?

    <p>Single-unit truck</p> Signup and view all the answers

    What is the minimum width of a shoulder for AADT greater than 1250?

    <p>1.5 m</p> Signup and view all the answers

    What is the purpose of a shoulder in a roadway?

    <p>All of the above</p> Signup and view all the answers

    What is the height of a semi-trailer truck?

    <p>3.81m</p> Signup and view all the answers

    What is the overhang of a passenger car?

    <p>0.9m</p> Signup and view all the answers

    What is the formula to calculate the total width of a highway?

    <p>Sum of the width of traffic lanes, islands, curbs, and gutters</p> Signup and view all the answers

    What is the characteristic of a graded shoulder?

    <p>It is graded to match the pavement surface</p> Signup and view all the answers

    Which vehicle is recommended for parking lot design when passenger cars are the main traffic generators?

    <p>Passenger Car</p> Signup and view all the answers

    Which vehicle is ideal for intersections at local streets and park roads?

    <p>Single Unit Truck</p> Signup and view all the answers

    What slope is recommended for turf/grass surfaces?

    <p>7%</p> Signup and view all the answers

    Which of the following is considered a principal element in roadway cross-section design?

    <p>Travel lanes</p> Signup and view all the answers

    What is the desirable width for travel lanes in the design guidelines?

    <p>3.65 meters</p> Signup and view all the answers

    What type of pavement requires a cross slope of 1% to 2%?

    <p>High type</p> Signup and view all the answers

    Which factor is not considered in specifying the number of lanes?

    <p>Pavement type</p> Signup and view all the answers

    What does the term 'crown' refer to in pavement design?

    <p>The highest point on the pavement</p> Signup and view all the answers

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