Chapter 3: New Location and Reconstruction (4R) Design Criteria

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Section 1: Overview

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Introduction

This chapter presents guidelines that are applicable to all new location and reconstruction projects for several different classes of roadways including the following:

Note that additional vertical clearance requirements may apply to projects on the Texas Highway Freight Network (THFN) as specified in Chapter 3, Section 8.

Departures from these guidelines are governed in Design Exceptions, Design Waivers, Design Variances, and Texas Highway Freight Network (THFN) Design Deviations, Chapter 1.

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