Traffic Signs Manual - Chapter 6 - Warning Signs - Final Version 3 - October 2025

Sep 18, 2026

Uploaded by Sage

Traffic Signs Manual Chapter 6 provides structured guidance on warning signs, covering their introduction, design principles, sign size and location, and practical application methods. It organizes the content around road situations drivers commonly encounter, including junctions ahead, merging traffic, junctions with traffic control, bends and corners, sharp changes of direction, road narrows, two-way and dual carriageway scenarios, lane changes, type 3 dual carriageways, steep hills, climbing lanes, restricted headroom, and advance warning of restrictions. It also includes coverage for level crossings.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages86

Reading Time3 h 37 min

AccessFree to download

6.1 Introduction

General

Design Of Warning Signs

Sign Size And Location

Application Of Warning Signs

6.2 Junction Ahead

Junctions With Roads Of Equal Importance

Junctions With Roads Of Lesser Importance

Junctions With Roads Of Greater Importance

6.3 Merging Traffic

6.4 Junctions With Traffic Control

Stop Or Yield Ahead

Traffic Signals Ahead

Roundabout Ahead

6.5 Bends And Corners

6.6 Sharp Change Of Direction

Multiple Chevrons

Single Chevrons

6.7 Road Narrows (Single Carriageway)

6.8 Two-Way Traffic

6.9 Dual Carriageway Roads

Start Of Dual Carriageway

End Of Dual Carriageway

Narrow Central Reserves

Lane Loss

Lane Gain

Lane Diverge

6.10 Type 3 Dual Carriageways

Start And End Of Type 3 Dual Carriageway

Start And End Of Passing Lane

Passing Lane

Single Lane Section

Junctions And Accesses

6.11 Steep Hills

6.12 Climbing Lanes

Start Of Climbing Lane

End Of Climbing Lane

6.13 Restricted Headroom

Available Headroom

Arch Bridges

Advance Warning

Overhead Electrical Cables

6.14 Advance Warning Of Restrictions

6.15 Level Crossings

Traffic Sign Manual Chapter 6 Warning Signs Final Version 3 | October 2025 [roadguidelines.ie](roadguidelines.ie) Traffic Signs Manual Chapter 6 – Warning Signs Contents Page 6.1 Introduction...........................................................................................................................4 General ...................................................................................................................................4 Design Of Warning Signs .......................................................................................................4 Sign Size And Location ..........................................................................................................5 Application Of Warning Signs .................................................................................................7 6.2 Junction Ahead.....................................................................................................................9 Junctions With Roads Of Equal Importance...........................................................................9 Junctions With Roads Of Lesser Importance .........................................................................9 Junctions With Roads Of Greater Importance......................................................................13 6.3 Merging Traffic................................................................................................................... 15 6.4 Junctions With Traffic Control ......................................................................................... 16 Stop Or Yield Ahead .............................................................................................................16 Traffic Signals Ahead ...........................................................................................................16 Roundabout Ahead...............................................................................................................17 6.5 Bends And Corners ........................................................................................................... 18 6.6 Sharp Change Of Direction............................................................................................... 20 Multiple Chevrons .................................................................................................................20 Single Chevrons ...................................................................................................................22 6.7 Road Narrows (Single Carriageway) ............................................................................... 24 6.8 Two-Way Traffic ................................................................................................................. 26 6.9 Dual Carriageway Roads .................................................................................................. 27 Start Of Dual Carriageway....................................................................................................27 End Of Dual Carriageway .....................................................................................................27 Narrow Central Reserves .....................................................................................................28 Lane Loss .............................................................................................................................28 Lane Gain .............................................................................................................................30 Lane Diverge ........................................................................................................................30 6.10 Type 3 Dual Carriageways ................................................................................................ 31 Start And End Of Type 3 Dual Carriageway.....................................................

FAQs

What topics are covered under the introduction to warning signs?

The chapter introduces warning signs and explains general guidance, design of warning signs, sign size and location, and how to apply warning signs in practice.

How does the chapter organize warning signs for junction scenarios?

It separates junction ahead guidance by relative road importance, then covers junctions with traffic control, including stop or yield ahead, traffic signals ahead, and roundabout ahead.

Which road layout and geometry situations are addressed beyond junctions?

It covers merging traffic, bends and corners, sharp changes of direction (including chevrons), road narrows, two-way and dual carriageway roads, lane loss/gain/diverge, type 3 dual carriageways, steep hills, climbing lanes, restricted headroom, advance warning of restrictions, and level crossings.

Sep 18, 2026

Uploaded by Sage

Traffic Signs Manual - Chapter 6 - Warning Signs - Final Version 3 - October 2025_Page 1

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