Practice Test Geeks(NETTCP) New England Transportation Technician Certification Program Practice Test
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Roadway Design & Maintenance Flashcards

7 cards from real NETTCP practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Roadway Design & Maintenance flashcards as text

  1. What is the primary purpose of a superelevation transition in horizontal curve design?

    Answer: To gradually rotate the roadway cross-section from normal crown to full superelevation

    Superelevation transition gradually rotates the roadway cross-section to counteract centrifugal forces on vehicles navigating horizontal curves.

  2. Which AASHTO design element determines the minimum stopping sight distance on a vertical curve?

    Answer: The design speed and driver eye/object height

    AASHTO stopping sight distance is based on design speed combined with standard driver eye height (3.5 ft) and object height (2.0 ft) assumptions.

  3. A roadway segment has an existing subgrade CBR of 4. Which corrective action is MOST appropriate before paving?

    Answer: Stabilize the subgrade with lime or cement

    A low CBR indicates weak subgrade support, and stabilization with lime or cement improves its load-bearing capacity before paving.

  4. Under MUTCD standards, what color is used for temporary traffic control (work zone) signs?

    Answer: Black on orange

    The MUTCD specifies black lettering on an orange background for all temporary traffic control signs in work zones.

  5. What is the function of a longitudinal drainage pipe installed parallel to the roadway?

    Answer: To collect and convey subsurface or surface runoff along the roadway corridor

    Longitudinal drain pipes collect runoff from ditches or subsurface layers and convey it along the road corridor to an outfall.

  6. Which pavement distress type is characterized by a series of closely spaced transverse cracks resembling an alligator hide?

    Answer: Fatigue (alligator) cracking

    Fatigue cracking, also called alligator cracking, results from repeated traffic loading that exceeds the pavement's structural capacity.

  7. What does a k-value represent in the design of a vertical curve?

    Answer: The rate of change of grade per unit length of curve

    The K-value is the length of vertical curve (in feet) required per one percent change in grade, used to ensure adequate sight distance.