Practice question

In a rural advance warning area on a two-lane highway, what is the standard recommended spacing between advance warning signs (A, B, and C)?

  1. 100 feet between signs in dense rural residential corridors.
  2. 250 feet between signs in moderate rural commercial corridors.
  3. 500 feet between signs in open rural highway environments.
  4. 1,000 feet between signs in mountainous low-speed environments.

Answer: C — 500 feet between signs in open rural highway environments.

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