Guidelines for marking multi-lane roundabouts

Print version: Guidelines for marking multi-lane roundabouts (PDF, 343 KB, 19 pages)

Contents

Definitions

1.   Introduction

• 1.1   Purpose
• 1.2   New traffic rules
• 1.3   ‘Alberta’ method of marking multi-lane roundabouts
• 1.4   Spiral curve pavement markings

2.   Guidelines

• 2.1   Analysis
• 2.2   Typical examples of multi-lane roundabouts
• 2.3   Design guides
• 2.4   Vulnerable road users

3.   Layout of typical multi-lane roundabouts

• 3.1   ‘Alberta’ exit lane markings
• 3.2   Recommended ‘Alberta’ exit lane and spiral curve markings

4.   Figures

• 4.1   Typical single lane roundabout
• 4.2   Typical approach to roundabout splitter island
• 4.3   Typical flush median approach to roundabout splitter island
• 4.4   Typical multi-lane roundabout with 2-lane approaches/exits
• 4.5   Typical multi-lane roundabout with two 1-lane approaches/exits and two 2-lane approaches/exits
• 4.6   Typical multi-lane roundabout with 2-lane approaches (one featuring an exclusive right turn lane), three 2-lane exits and a 1-lane exit
• 4.7   Typical multi-lane roundabout with 2-lane approaches (one featuring an exclusive left turn lane), three 2-lane exits and a 1-lane exit
• 4.8   Typical multi-lane roundabout with two 3-lane approaches / exits and two 2-lane approaches / exits
• 4.9   Typical multi-lane roundabout with two 3-lane approaches (one featuring an exclusive right turn lane), two 2-lane approaches, one 3-lane exit and three 2-lane exits
• 4.10   Typical multi-lane roundabout with two 3-lane approaches (one featuring an exclusive left turn lane), two 2-lane approaches, one 3-lane exit and three 2-lane exits
• 4.11   Typical multi-lane roundabout at a T-junction with 2-lane approaches/exits
• 4.12   Typical multi-lane roundabout with two 2-lane and three 1-lane approaches/exits

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Page created: 28 November 2008