Practice question

Inductive loop detectors are installed in the pavement by:

  1. Drilling holes and inserting probes
  2. Sawcutting slots in the pavement, placing wire loops, and sealing with loop sealant
  3. Gluing sensors to the pavement surface
  4. Embedding radar units in the road surface

Answer: B — Sawcutting slots in the pavement, placing wire loops, and sealing with loop sealant

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