Manual for Constructing Driveway Entrances

Manual for Constructing Driveway Entrances on State Highways 2015 Edition Table of Contents | i Table of Contents Page SECTION 1 - INTRODUCTION Purpose 1-1 History 1-1 Need 1-1 Authority 1-1 Severability 1-2 Definitions 1-2 SECTION 2 - highway ENTRANCE PERMIT General 2-1 Residential Driveways and Field Entrances 2-1 Coordination with Local Authorities 2-1 Liability Insurance 2-2 Bond Requirements 2-2 Requirements for Application 2-3 SECTION 3 - RIGHT-OF-WAY ENCROACHMENT General 3-1 Buffer Areas 3-1 Parking and Storage 3-1 SECTION 4 - ACCESS POINTS Types of highway Access 4-1 Number of Entrances 4-2 SECTION 5 - ACCESS DESIGN Control Dimensions 5-1 Edge Clearance 5-1 Driveway Angle 5-1 Radius of Curvature 5-2 Entrance Width 5-2 Corner Clearance 5-3 Distance Between Double Driveways 5-3 Tennessee Department of Transportation 2015 Edition Table of Contents | ii Fuel Pump Clearance 5-3 Commercial Border Area Clearance 5-3 Sight Distance 5-4 Driveway Construction and Grading Standards 5-5 Residential and Field Entrances on Roads Without Curb & Gutter 5-6 All Other Uses on Roads Without Curb & Gutter 5-6 Driveways on Roads With Curb

congestion on state highways. The majority of states in the nation have updated their driveway access standards in the last 20 years to curtail the accelerated degradation to highway efficiency and safety. It is the Department’s intent to adopt national best practices that better preserve the safe and efficient movement of

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