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One-way roadway road sign R4.2, South Africa

Control sign · R4.2

One-way roadway sign (R4.2)

Traffic travels in the direction shown by the arrow.

What does the one-way roadway sign mean?

Traffic travels in the direction shown by the arrow.

What should you do?

Travel only in the indicated direction.

Sign codeR4.2
Sign groupControl signs
Applies toAll learner codes (1, 2 and 3)
Test sectionRoad signs and markings

How to recognise the one-way roadway sign

A one-way arrow sign. In the manual’s order, R4.2 points to a one-way carriageway on the right.

Where you will see it

Junctions where a one-way road joins another road on your right.

What to do when you see it, step by step

  1. Turn in only if you want that carriageway, in the arrow’s direction, once the junction is clear.
  2. Do not drive the other way along it.

The common mistake

Compare with R3, which forbids entry from the wrong end. Together they tell you both how to join the street and where you may not.

About control signs

Control signs tell you how to enter, cross or use part of the road, for example by stopping or giving way. They are mostly red and white. The K53 learner's test asks you to recognise signs like the one-way roadway sign (R4.2) and choose the correct response, so learn both the picture and the action.

How to answer a test question about this sign

  1. Look at the shape and colour first. They tell you the group: control signs for this one.
  2. Recall what the sign asks of you: travel only in the indicated direction.
  3. Remove the options that describe a different group of sign, then choose the response that matches the action.

Want the full explanation? Read the chapter Stop and yield signs.

Signs it is often confused with

Learners mix up signs that look or sound similar. Compare the one-way roadway sign with these:

Test yourself: One-way roadway sign questions

1 What does this sign mean?

  1. Traffic travels in the direction shown by the arrow.
  2. Overtaking other motor vehicles is prohibited for the next 500 metres.
  3. You must turn right at the junction ahead.
Show the answer

Answer A: Traffic travels in the direction shown by the arrow.

Travel only in the indicated direction.

Memory tip: R4.2 · One-way roadway

All vehicle codes

2 Which response fits this sign?

  1. Stay behind the vehicle ahead and obey the road markings.
  2. Travel only in the indicated direction.
  3. Prepare to turn, checking mirrors and approaching traffic.
Show the answer

Answer B: Travel only in the indicated direction.

One-way roadway: Traffic travels in the direction shown by the arrow.

Memory tip: Travel only in the indicated direction.

All vehicle codes

One-way roadway sign: quick questions

What does the one-way roadway sign (R4.2) mean?

Traffic travels in the direction shown by the arrow.

What should you do at the one-way roadway sign?

Turn in only if you want that carriageway, in the arrow’s direction, once the junction is clear. Do not drive the other way along it.

Where will you see the one-way roadway sign?

Junctions where a one-way road joins another road on your right.

What is the common mistake with the one-way roadway sign?

Compare with R3, which forbids entry from the wrong end. Together they tell you both how to join the street and where you may not.

Sign artwork: Southern African Development Community (SADC), public domain. AceK53 is an independent study aid. Always confirm test requirements with your driving licence testing centre.