Part 1. General

PART 1 TABLE OF CONTENTS
CHAPTER 1A.	General
Section 1A.01	Purpose of Traffic Control Devices
Section 1A.02	Principles of Traffic Control Devices
Section 1A.03	Design of Traffic Control Devices
Section 1A.04	Placement and Operation of Traffic Control Devices
Section 1A.05	Maintenance of Traffic Control Devices
Section 1A.06	Uniformity of Traffic Control Devices
Section 1A.07	Responsibility for Traffic Control Devices
Section 1A.08	Authority for Placement of Traffic Control Devices
Section 1A.09	Engineering Study and Engineering Judgment
Section 1A.10	Interpretations, Experimentations, Changes, and Interim Approvals
Section 1A.11	Relation to Other Publications
Section 1A.12	Color Code
Section 1A.13	Definitions of Words and Phrases in This Manual
Section 1A.14	Abbreviations Used on Traffic Control Devices

PART 1 FIGURES
Figure 1A-1	Example of Process for Requesting and Conducting Experimentations for New Traffic Control Devices
Figure 1A-2	Example of Process for Incorporating New Traffic Control Devices into the MUTCD

PART 1 TABLES
Table 1A-1	Acceptable Abbreviations
Table 1A-2	Abbreviations That Are Acceptable Only with a Prompt Word
Table 1A-3	Unacceptable Abbreviations