♦Manual Notice 2008-1
►1. Introduction
- ►1. Overview
  - ♦Introduction
  - ♦Chapter Overview
- ►2. Handbook Information
  - ♦Purpose of Handbook
  - ♦Status of Handbook
  - ♦Application of Handbook Guidelines
  - ♦Handbook Content
- ►3. Relation to Other Documents
▼2. Principles of Freeway Signing
►3. Application of Freeway Signs
- ►1. Overview
  - ♦Introduction
- ►2. Freeway Direction Signs (White on Green)
  - ♦Introduction
  - ♦Overhead Sign Placement
  - ♦Advance Guide Signs
  - ♦Exit Direction Signs
  - ♦Exit Number Panels
  - ♦Diagrammatic Signs
  - ♦Interchange Sequence Signs
  - ♦ Pull-Through Signs
  - ♦Exit Gore Signs
  - ♦Supplemental Guide Signs
  - ♦Distance Signs
- ►3. General Service Signs (White on Blue)
  - ♦Introduction
  - ♦Types of Facilities
  - ♦Rest Area Signs
  - ♦Tourist Information and Welcome Center Signs
  - ♦Radio-Traffic Information Signs
  - ♦Specific Information Logo Signs
- ►4. Recreational and Cultural Interest Area Signs (White on Brown)
  - ♦Introduction
  - ♦Design and Application
- ►5. Miscellaneous Guide Signs (White on Green)
  - ♦Introduction
  - ♦Next X Exits Signs
  - ♦Next Exit Supplemental Signs
  - ♦Weigh Station Signs
  - ♦Guide Sign Routing Plaques
►4. Freeway Guide Sign Design
- ♦1. Overview
- ►2. Guide Sign Elements
  - ♦Introduction
  - ♦Abbreviations
  - ♦Route Signs
  - ♦Arrows
  - ♦Advisory Sign Panels
- ►3. Guide Sign Lettering
  - ♦Letter Style
  - ♦Letter Size
  - ♦Letter Spacing
- ►4. Guide Sign Layout
  - ♦Introduction
  - ♦Border Design
  - ♦Lateral Spacing
  - ♦Interline Spacing
  - ♦Word Message Placement
  - ♦Route Sign and Cardinal Direction Placement
  - ♦Arrow Placement
  - ♦Spacing to Border Edge
  - ♦Horizontal and Vertical Separator Lines
  - ♦Final Length and Height Adjustment
- ►5. Diagrammatic Signs
  - ♦Diagrammatic Sign Design
►5. Freeway Guide Signing
►6. Frontage Road Signing
- ♦1. Overview
- ►2. Entrance Ramp Signing
  - ♦Introduction
- ►3. Exit Ramp Signing
  - ♦Introduction
- ►4. Frontage Road Approach Signing
  - ♦Introduction
- ►5. Cross-Street Route Signing
  - ♦Introduction
►A. Overhead Sign Lighting

Chapter 2: Principles of Freeway Signing

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Section 1: Overview

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Introduction

This chapter describes some of the basic principles associated with freeway signing. These principles provide broad guidance on the use of freeway guide signs and form the basis for many of the processes described in later chapters of this handbook. These principles include:

the underlying philosophy for providing guidance information on freeways
driver information needs
definitions and terminology used to define interchange classifications
the process used to design and locate freeway guide signs
various policies related to freeway signing, including:
- retroreflective sheeting
- illumination
- clearance
- control cities
- support structures.