Transportation Code · §545.104

Signaling Turns

Signaling Turns (§545.104): key points and worked practice questions for Texas peace officer exam preparation.

Key points

  • Signal required before turn or lane change
  • Continuous signal at least 100 feet before turning (longer in some contexts)

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Worked examples

Worked example 1

Failure to signal a turn or lane change violates:

  1. Tex. Transp. Code §545.104 (signaling turns) and §545.106 (signal device requirements) Correct
  2. Penal Code §38.04 (evading)
  3. Transp. Code §502.040 (registration)
  4. Transp. Code §521.457 (DWLI)
Why: Drivers must signal turns and lane changes at least 100 feet before the maneuver (longer for some lane-change scenarios per case law). Class C misdemeanor.
Statute: Tex. Transp. Code §545.104