Arkansas State Highway & Transportation Dept Quiz
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Questions and Answers

What aspect of road design is concerned with the number of vehicles expected to use the road?

  • Alignment
  • Level of Service (correct)
  • Sight Distance
  • Design Speed

    • In road design, what does 'Alignment' refer to?

  • The width of the roadway
  • The roadside design features
  • The curvature and slope of the road (correct)
  • The number of lanes on the road

    • Which aspect is NOT a part of 'General Design Considerations' in urban road design?

  • Design Traffic Volumes
  • Grades (correct)
  • Design Speed
  • Level of Service

    • What is 'Sight Distance' in road design?

    <p>The distance a driver can see ahead on the road</p> Signup and view all the answers

    Which factor is NOT typically considered when determining 'Design Traffic Volumes'?

    <p>Weather conditions</p> Signup and view all the answers

    In terms of road design, what do 'Grades' refer to?

    <p>The slope or incline of the road surface</p> Signup and view all the answers

    What does 'Design Speed' in road design primarily address?

    <p>The geometric design for a specified travel speed</p> Signup and view all the answers

    Which design element is primarily concerned with ensuring safe overtaking opportunities on a road?

    <p>'Right-of-Way Width'</p> Signup and view all the answers

    'Foreslopes' in road design primarily focus on:

    <p>Minimizing erosion along the roadside</p> Signup and view all the answers

    What is the purpose of considering 'Bicycle/Pedestrian Facilities' in road design?

    <p>To provide alternate routes for cyclists and pedestrians</p> Signup and view all the answers

    What is the purpose of offtracking in roadway design?

    <p>To consider the path taken by the rear wheels of a vehicle during a turn</p> Signup and view all the answers

    Which section discusses the derivation of design values for widening on horizontal curves?

    <p>3.3.9.1 Derivation of Design Values for Widening on Horizontal Curves</p> Signup and view all the answers

    What does 'stopping sight distance' refer to in roadway design?

    <p>The sight distance needed to stop within a specified distance</p> Signup and view all the answers

    In roadway design, what is the purpose of 'Control Grades for Design'?

    <p>To determine maximum and minimum grades based on vehicle characteristics</p> Signup and view all the answers

    Which section discusses 'Passing Sight Distance' in horizontal alignment design?

    <p>3.3.12.2 Passing Sight Distance</p> Signup and view all the answers

    What is the significance of 'Terrain' in vertical alignment considerations?

    <p>It dictates the grades and vehicle operating characteristics on slopes</p> Signup and view all the answers

    Which factor influences 'Critical Lengths of Grade for Design'?

    <p>Vehicle type considerations</p> Signup and view all the answers

    What role do 'Climbing Lanes' play in roadway design?

    <p>To provide additional lanes for overtaking slower vehicles on slopes</p> Signup and view all the answers

    Why are 'General Controls for Horizontal Alignment' important in roadway planning?

    <p>To provide guidance on aligning roadways within certain standards and constraints</p> Signup and view all the answers

    What is the primary focus of 'Widths Outside the Traveled Way' in roadway design?

    <p>The consideration of areas not meant for vehicular travel</p> Signup and view all the answers

    What is the purpose of warrants for interchanges and grade separations?

    <p>To assess the traffic volume and safety needs for potential interchanges</p> Signup and view all the answers

    Which factor is NOT considered in the adaptability of highway grade separations and interchanges?

    <p>Vehicular Operating Costs</p> Signup and view all the answers

    What is the primary focus of stage development in grade separations and interchanges?

    <p>Traffic Operations</p> Signup and view all the answers

    Which aspect is crucial in the design of sight distance at railroad-highway grade crossings?

    <p>Clear Vision Over Obstructions</p> Signup and view all the answers

    In the context of highway grade separations, what does vertical alignment primarily refer to?

    <p>The positioning of bridges or underpasses relative to grades</p> Signup and view all the answers

    What is the key consideration when deciding between overpass and underpass roadways in grade separation structures?

    <p>Cost</p> Signup and view all the answers

    Which criterion is NOT typically used to assess the level of service at intersections with flush medians?

    <p>Safety Distance</p> Signup and view all the answers

    What is the main purpose of lighting in the context of highway design?

    <p>To guide drivers at night and in low visibility conditions</p> Signup and view all the answers

    What is the relationship between site conditions and adaptability in highway grade separations and interchanges?

    <p>Site conditions affect both traffic safety needs and economic viability</p> Signup and view all the answers

    What aspect of highway grade separations is most affected by vehicular operating costs?

    <p>Type of separation structures chosen</p> Signup and view all the answers

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