Highway Illumination Manual

Manual Notice | Highway Illumination Manual | TxDOT Manual System

♦Manual Notice 2003-1
►1. Introduction
- ►1. Overview
  - ♦Purpose of Manual
  - ♦Users of Manual
  - ♦Training
  - ♦Experience
  - ♦References
- ►2. Responsibilities
  - ♦Introduction
  - ♦Traffic Operations Division
  - ♦Bridge Division
  - ♦Design Division
  - ♦Districts
►2. Lighting Systems, Highway Eligibility, and Warrants
- ►1. Overview
  - ♦Introduction
  - ♦Types of Lighting Systems
  - ♦Eligibility and Warrants
  - ♦Submitting Substantiating Data
  - ♦Process Summary
- ►2. Continuous Lighting
  - ♦Description
  - ♦Eligibility
  - ♦Warrants
  - ♦Specially Funded Projects
- ►3. Safety Lighting
  - ♦Description
  - ♦Eligibility
  - ♦Warrants
  - ♦Continuous Lighting Classified as Safety Lighting
- ►4. Bikeway and Pedestrian Way Lighting
  - ♦Eligibility and Warrant
  - ♦Adjacent Roadway Lighting
- ►5. Systems Financed, Installed, and Operated by Other Agencies
  - ♦TxDOT Policy
  - ♦Guidelines
►3. Master Lighting Plans
- ►1. Overview
  - ♦Introduction
  - ♦Definition
  - ♦Benefits
- ►2. Plan Development
  - ♦Introduction
  - ♦Participants
  - ♦Groups Having Concerns about Lighting
- ►3. Goals of a Master Lighting Plan
- ►4. Lighting Curfews
  - ♦Introduction
  - ♦Background
  - ♦Reasons for Curfews
  - ♦Considerations Before Implementation
- ►5. Electrical and Lighting Management Systems
  - ♦Introduction
  - ♦Cost
  - ♦Benefits
  - ♦Benefits of ELMS Standardization
- ►6. Conducting Studies
  - ♦Introduction
  - ♦Electrical System
  - ♦Purpose of Lighting System
  - ♦Benefits and Effects of Curfews and Dimming
  - ♦Traffic Studies
  - ♦Surrounding Land Use and Surrounding Lighting
  - ♦Security Concerns
  - ♦Sky Glow and Light Trespass
  - ♦Community Goals
  - ♦Coordination with Navigation Authorities
  - ♦Traffic Management Interaction
  - ♦Controls
  - ♦Curfew Monitoring
  - ♦ELMS Implementation
  - ♦Coordination with Roadway Maintenance and Construction Activities
  - ♦Budget
►4. Lighting Agreements
- ►1. Overview
- ►2. Continuous Lighting
  - ♦Introduction
  - ♦100 Percent Agreement
  - ♦50-50 Agreement
- ►3. Safety Lighting
  - ♦Introduction
  - ♦Two Types of Agreements
►5. Lighting Equipment
- ►1. Overview
  - ♦Overview
  - ♦Specifications
  - ♦AASHTO Guidelines
  - ♦IESNA Guidelines
  - ♦Non-standard Lighting
- ►2. Light Sources
  - ♦Introduction
  - ♦Incandescent Lamps
  - ♦Electric Discharge Lamps
  - ♦Electric Discharge Lamp Types
  - ♦High-Intensity Discharge Lamps
  - ♦Best Choice
  - ♦Spectral Energy Distribution Comparison
- ►3. Luminaires
  - ♦Introduction
  - ♦Conventional Luminaires
  - ♦Mounting of Luminaires
  - ♦Cutoff
  - ♦Light Distribution Patterns
  - ♦Underpass Luminaires
  - ♦High Mast Lighting
- ►4. Support Hardware
  - ♦Introduction
  - ♦Roadway Illumination Assembly
  - ♦Non-Breakaway Support
  - ♦Breakaway Support
  - ♦Transformer Base
  - ♦Breakaway Connectors
- ►5. Other Equipment
  - ♦Electrical Services
  - ♦Other Electrical Equipment
  - ♦Other Lighting Equipment
►6. Lighting Design and Layout
- ►1. Overview
  - ♦Project Design Procedures
  - ♦Project Lead Time
  - ♦Joint Usage Encouraged
  - ♦Luminaires on Traffic Signal Poles
  - ♦Circuits Crossing Bridges
  - ♦Railroad Crossings
- ►2. Illumination Levels
  - ♦Introduction
  - ♦Continuous Lighting
  - ♦Safety Lighting
  - ♦Tunnels
  - ♦Sidewalks and Bikeways
  - ♦Other Types of Lighting
  - ♦Additional Information
- ►3. Plan Standards
  - ♦Introduction
  - ♦Scale of Plans
  - ♦Boring Logs
  - ♦Standard Plan Symbols
  - ♦Typical Plan Layout
- ►4. Conventional vs. High Mast Lighting
  - ♦Introduction
  - ♦Installation Costs
  - ♦Maintenance Costs
  - ♦Some Deciding Considerations
  - ♦High Mast Systems Recommended
  - ♦High Mast Systems and Light Trespass
  - ♦High Mast Design and Layout
- ►5. Glare and Sky Glow Issues
  - ♦Introduction
  - ♦Choice of Luminaires
  - ♦Luminaire Modification
  - ♦Resources
- ►6. Spacing of Light Poles
- ►7. Pole Placement Guidelines
  - ♦Introduction
  - ♦Clear Zone
  - ♦House Side vs. Median Mounting
  - ♦Two Types of Poles
  - ♦Breakaway Poles Preferred
  - ♦When Not To Use Breakaway Poles
  - ♦Protection of Non-breakaway Poles
  - ♦Placement of Non-breakaway Poles
  - ♦Falling Area for Breakaway Poles
  - ♦Use and Placement of Breakaway Poles
  - ♦House Side Lighting
  - ♦Median Lighting
  - ♦Median Lighting Design Examples
  - ♦Avoid Channelizing Islands
  - ♦Breakaway Pole Placement Examples
  - ♦Minimum Values
  - ♦Poles in Sidewalks
  - ♦Foundation Height
  - ♦Striking Height
  - ♦Breakaway Pole Frangibility
►7. Electrical Systems
- ►1. Overview
  - ♦Introduction
  - ♦National Electrical Code
  - ♦Electrical Details
- ►2. Electrical Service
  - ♦Introduction
  - ♦Typical Service Types
  - ♦Circuit Length Limits
  - ♦Separate Electrical Service for Signs
  - ♦Where Service Does Not Exist
- ►3. Circuit Design
  - ♦Introduction
  - ♦Voltage Drop
  - ♦Conductors and Conduit Size
  - ♦Conduit Run Length
  - ♦Overcurrent Protection
  - ♦Electrical Service Equipment Sizes
  - ♦Grounding Conductor Size
- ►4. Calculating Voltage Drop
  - ♦Introduction
  - ♦Maximum Allowable Voltage Drop
  - ♦Formula
  - ►Current in the Run
►8. Temporary Lighting
- ►1. Design and Layout
  - ♦Purpose
  - ♦Difference Between Temporary and Work Zone Lighting
  - ♦Special Considerations
  - ♦Types of Temporary Lighting
  - ♦Illumination Levels
  - ♦Electrical System Integrity
  - ♦Placement of Light Poles
  - ♦Installation
  - ♦Plans and Specifications
- ►2. Financing
  - ♦General
  - ♦Method of Payment
  - ♦Reusable Equipment
►9. Construction and Maintenance Guidelines
- ►1. Overview
  - ♦Introduction
  - ♦Consistency
  - ♦Assistance
- ►2. Review and Approval of Shop Drawings
  - ♦District Review and Approval
  - ♦For Purchase Requisition
  - ♦Breakaway Poles
  - ♦High Mast Lighting
  - ♦Copies to Materials and Tests Section
  - ♦Marking of Shop Drawings
- ►3. Breakaway Light Poles
  - ♦Frangibility Requirement
  - ♦Structural Requirement
  - ♦Replacement Guidelines
  - ♦New Installation Guidelines
  - ♦Relocated Poles
  - ♦Poles Placed by Maintenance Forces
  - ♦Guidelines Apply to Cities
  - ♦Review of Shop Drawings
  - ♦Identifying Transformer Bases
  - ♦Striking Height
  - ♦Anchor Bolts
- ►4. Group Relamping
  - ♦Background
  - ♦Advantages
  - ♦Strategy
  - ♦Cleaning Luminaires
- ►5. High Mast Lighting Inspection and Servicing
  - ♦Introduction
  - ♦Documentation (Inspection Form)
  - ♦Items to Inspect
  - ♦Replacing Fixtures
  - ♦Responsibility of Cities
  - ♦Assistance
- ►6. Other Maintenance Considerations
  - ♦Duct Cable
  - ♦Grout
  - ♦Rehabilitation of Old Circuits
  - ♦Maintenance Level of Service
  - ♦Maintenance Responsibilities of Cities
  - ♦Problems
♦A. Forms
♦Introduction

Highway Illumination Manual

November 2003

Copyright © 2003 by Texas Department of Transportation
All rights reserved.

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