---
title: "Road Narrows on the Right Meaning | UK Road Signs"
url: https://fasttrackdrivinglessons.co.uk/theory/road-signs/road-narrows-right
description: "Understand the road narrows on the right warning sign, lane merging tips, and DVSA test preparation."
lang: en
---

# Road narrows on the right — UK road sign

This warning sign indicates that the right-hand edge or lane of the road narrows ahead.

Image: Road narrows on the right — red, white and black triangle UK road sign (https://fasttrackdrivinglessons.co.uk/signs/road-narrows-right.svg)

The road narrows on the right sign displays a vertical black line on the left and an inward-sloping line on the right within a red triangle.

It warns drivers that space on the right side decreases ahead, requiring vehicles in right-hand lanes or near the centre line to adjust positioning.

## What this sign means

This sign alerts road users that the carriageway narrows specifically from the right-hand side ahead.

- Red triangle warning boundary
- Inward slant on the right side symbol
- Signals loss of width or lane closure on the right

## What to do when you see it

Check mirrors early. If travelling on a dual carriageway where a right lane ends, move safely into the left lane using zip-merging principles where appropriate.

- Indicate and merge early if your lane closes
- Allow space for vehicles merging from the right
- Reduce speed to manage tighter space margins

## How this sign is tested

Theory tests evaluate correct lane discipline, mirror usage, and safe merging techniques when lanes taper.

## Common mistakes

Failing to check blind spots before merging left or speeding up to block vehicles merging from the right.

## Test yourself on this one

Road and traffic signs is the biggest category in the question bank with 102 questions, and signs turn up inside other categories too. Work through them free, no sign-up needed.

Practise road sign questions (https://fasttrackdrivinglessons.co.uk/theory/practice)

## Frequently asked questions

How does this differ from the 'road narrows left' sign?

This sign shows the right side narrowing inward while the left side remains straight.

Who has priority when the right lane narrows into the left?

Neither lane has absolute right-of-way; drivers should merge smoothly and safely in turn.

What supplementary plates might appear below this sign?

Distance plates (e.g. '200 yards') often inform drivers where the taper begins.

## Passed your theory? Get the practical booked

Your theory certificate lasts two years. Most learners who use it quickly do it with an intensive course — a block of hours with a DVSA approved instructor and a practical test at the end, instead of one lesson a week for months.

Intensive course prices: https://fasttrackdrivinglessons.co.uk/pricing
All courses: https://fasttrackdrivinglessons.co.uk/courses
Crash courses: https://fasttrackdrivinglessons.co.uk/crash-courses
Automatic lessons: https://fasttrackdrivinglessons.co.uk/driving-lessons/automatic
Areas we cover: https://fasttrackdrivinglessons.co.uk/driving-lessons-in
Driving test centres: https://fasttrackdrivinglessons.co.uk/driving-test-centres
How it works: https://fasttrackdrivinglessons.co.uk/how-it-works
Test pass guarantee: https://fasttrackdrivinglessons.co.uk/test-pass-guarantee

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