Traffic shifts left, then right
Thai road sign ตก.13 — Traffic shifts left, then right. Meaning: The traffic path shifts left and then returns to the right through the work zone. 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 diamond work-zone sign showing one lane shifting left and returning right. Use this independent reference to recognise Traffic shifts left, then right. Compare its shape, colour, symbols and arrows with nearby warning and work-zone signs.
Study guide
Related signs
Compare Traffic shifts left, then right 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.
