Right lane shifts; left continues
Thai road sign ตก.12 — Right lane shifts; left continues. Meaning: The left lane continues while the right lane shifts 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 a straight left lane and a shifted right lane. Use this independent reference to recognise Right lane shifts; left continues. Compare its shape, colour, symbols and arrows with nearby warning and work-zone signs.
Study guide
Related signs
Compare Right lane shifts; left continues 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.
