Work-zone direction marker — left
Thai road sign ตก.25 — Work-zone direction marker — left. Meaning: The traffic alignment changes sharply to the left at this point. Learner-manual coverage: this identity is shown in the current DLT car-driver learner manual. Inclusion does not mean it appears in every theory test.
Study guide
Use this reference with practice
Orange rectangular work-zone direction marker pointing left. Use this independent reference to recognise Work-zone direction marker — left. Compare its shape, colour, symbols and arrows with nearby warning and work-zone signs.
Study guide
Related signs
Compare Work-zone direction marker — left with nearby warning signs. Shape, colour, symbols, arrows and wording distinguish each identity.
Put sign knowledge into practice.
Use broader signs-and-signals practice to apply the visual distinctions reviewed in this independent reference.
