National highway route marker
Thai road sign น.19 — National highway route marker. Meaning: Identifies a national-highway route number; the displayed number is an example. 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
White national-highway route marker with an example route number. Use this independent reference to recognise National highway route marker. Compare its route, direction, service or facility layout with related information and guide signs.
Study guide
Related signs
Compare National highway route marker with nearby info 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.
