Practice question

When are flexible tubular markers preferred over standard traffic cones for channelizing traffic?

  1. In short-term 15-minute emergency daytime lane closures.
  2. In narrow or long-term channelization setups where space is limited.
  3. For temporary full road closure barricade line replacements.
  4. As physical crash impact attenuators mounted on concrete barrier ends.

Answer: B — In narrow or long-term channelization setups where space is limited.

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