Chapter 1: Introduction

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Section 1: Overview

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Purpose of this Handbook

This manual provides information and internal procedures for the placement and use of various types of signs on state roadways.

This manual is not meant to be comprehensive, but rather to provide additional information and procedures specific to Texas Department of Transportation (TxDOT) operations not covered in the Texas Manual on Uniform Traffic Control Devices (TMUTCD) or other TxDOT manuals. (See Section 3 of this chapter for a listing of other relevant TxDOT reference sources.)

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Importance of Uniformity

In many aspects of highway operation, the procedures used by field maintenance personnel allow considerable freedom for innovation and experimentation. However, because highway safety depends on the proper use and interpretation of traffic control devices by motorists, uniformity and standardization are vital. For this reason, the application of traffic control devices must be in accordance with the TMUTCD and other standards adopted by TxDOT.

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