Information sign
Single track road with passing places sign
What does the Single track road sign mean?
Warns that the road ahead is only wide enough for one vehicle, with passing places at intervals for getting by.
What it means
The road ahead is narrow, with room for only one line of vehicles, and has passing places at intervals.
On a single-track road, you will meet oncoming traffic with no room to pass except at passing places.
Look well ahead so you can reach a passing place in time. Give way to vehicles coming uphill when you can, and be ready to reverse to a passing place if needed.
Where you'll see it
At the start of narrow rural roads, especially in the Highlands and islands of Scotland.
Rules to know
The sign means a narrow road ahead with passing places at intervals.
Know Your Traffic Signs, p. 134
Single-track roads are only wide enough for one vehicle and may have special passing places.
The Highway Code, Rule 155
Give way to road users coming uphill whenever you can. If necessary, reverse until you reach a passing place to let the other vehicle pass.
The Highway Code, Rule 155
Common mistakes
Mistake: Driving on and expecting the other vehicle to make room.
Instead: Whoever is nearer a passing place should use it. Be ready to reverse if needed.
Test yourself
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© Crown copyright. Free to reuse under the Open Government Licence v3.0, as long as the sign is reproduced accurately and not in a misleading context.
Related signs
Used with
Passing place
Information sign
Marks each passing place along the road.
See also
Road narrows
Warning sign
A warning that the road gets narrower.
More information signs
All information signsSources
- Know Your Traffic Signs (Department for Transport, Sixth edition, 2023), Information signs, p. 134
- The Highway Code, Rule 155
Sign image: Department for Transport, Traffic sign images (diagram 821). © Crown copyright, reused under the Open Government Licence v3.0.
Last reviewed 6 October 2026. This page explains the sign in our own words; for the full rules, see The Highway Code. How we source and check content