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Americans with Disabilities Act (ADA)
Part 1 - Project Design Development
Part 2 - Hydrology and Hydraulics
Part 3 - Roadway Design
Part 4 - Structural (Bridge Design)
Part 5 - Traffic and Safety
Part 6 - Pavement Design
INDOT Standard Specifications
This page was last updated: 4/23/26
The complete Indiana Design Manual is available in Adobe portfolio format Indiana Design Manual (Portfolio) (PDF 90.9 MB). The portfolio must be downloaded to be viewed. Links to individual chapters are below.
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PART 1 - PROJECT DESIGN DEVELOPMENT
Chapter 102 - Project Development
Chapter 7 - Environmental Procedure/Design Summary (Rev. Oct. 2018)Chapter 8 - Public Involvement Procedures (Rev. Mar. 2018)
Chapter 9 - Permits and Certifications (Rev. Jan. 2013)
Chapter 103 - Plan Development
Chapter 15 - Drafting Guidelines (Rev. Jan. 2013)
Chapter 104 - Utility Coordination
(Rev. Aug. 2024)
(Rev. Aug. 2024)
Chapter 105 - Railroad Coordination
(Rev. Aug. 2024)
(Rev. Aug. 2024)
Chapter 106 - Location Surveys
Chapter 22 - General Survey Procedures (Rev. Apr. 2011)Chapter 23 - Electronic Data Collection Survey (Rev. Mar. 2011)
Chapter 24 - Aerial Photo Control Survey (Rev. Jan. 2011)
Chapter 25 - GPS Survey Control Network (Rev. Jan. 2011)
Chapter 26 - Survey Transmittals (Rev. Nov. 2023)
Chapter 107 - Geotechnical Procedures
(Rev. May. 2018)
(Rev. May. 2018)
Chapter 108 - Quantities, Provisions, and Cost Estimating
Chapter 17 - Quantity Estimating (Rev. Jan. 2026)Chapter 19 - Standard Contract Documents and Unique Special Provisions (Rev. Jun. 2021)
Chapter 20 - Cost Estimating (Rev. Oct. 2020)
Chapter 109 - Right Of Way
Chapter 85 - Right-Of-Way Plans Preparations (Rev. Jan. 2013)Chapter 86 - Access Control (Rev. Jan. 2011)
PART 2 - HYDROLOGY AND HYDRAULICS
Chapter 201 - General Hydraulics Information
(Rev. Mar. 2026)
(Rev. Mar. 2026)
Chapter 202 - Hydrology
(Rev. Mar. 2026)
(Rev. Mar. 2026)
Chapter 203 - Hydraulics and Drainage Design
(Rev. Mar. 2026)
(Rev. Mar. 2026)
Chapter 204 - Post-Construction Stormwater Management (Rev. Nov. 2022)
Chapter 205 - Temporary Erosion and Sediment Control
(Rev. May 2023)
(Rev. May 2023)
PART 3 - ROADWAY DESIGN
Chapter 302 - Basic Design Controls
Chapter 40 - Basic Design Controls (Rev. Sep. 2023)Chapter 303 - Highway Capacity
Chapter 41 - Highway Capacity (Rev. Jan. 2011)Chapter 304 - Sight Distance
Chapter 42 - Sight Distance (Rev. Jan. 2011)Chapter 305 - Horizontal Alignment
(Rev. Apr. 2025)
(Rev. Apr. 2025)
Chapter 306 - Vertical Alignment
Chapter 44 - Vertical Alignment (Rev. Jan. 2011)Chapter 307 - Cross-Section Elements
Chapter 45 - Cross-Section Elements (Rev. Feb. 2019)Chapter 308 - At-Grade Intersections
Chapter 46 - Intersections At-Grade (Rev. Aug. 2018)Chapter 47 - Highway-Railroad At-Grade Crossing (Rev. Apr. 2016)
Chapter 309 - Interchanges
Chapter 48 - Interchanges (Rev. Apr. 2025)Chapter 310 - Roadside Safety
Chapter 49 - Roadside Safety (Rev. Aug. 2017)Chapter 311 - Economic Analysis
Chapter 50 - Economic Analysis (Rev. Apr. 2016)Chapter 312 - Special Design Elements
Chapter 51 - Special Design Elements (Rev. Apr. 2026)Chapter 314 - 4R Geometric Design
Chapter 53 - 4R Geometric Design (Rev. Feb. 2019)Chapter 315 - 3R/Partial 4R Freeway
Chapter 54 - 3R/Partial 4R Freeway Geometric Design (Rev. Jun. 2023)Chapter 316 - 3R Non-Freeway
Chapter 55 - 3R Non-Freeway Geometric Design (Rev. Jun. 2023)Chapter 317 - Partial 3R Projects
Chapter 56 - Partial 3R Projects (Rev. Jun. 2023)
PART 4 - STRUCTURAL
(BRIDGE DESIGN)
Chapter 402 - Structure Size & Type
(Rev. Dec. 2021)
(Rev. Dec. 2021)
Chapter 403 - Load Analysis & Application
(Rev. Feb. 2018)
(Rev. Feb. 2018)
Chapter 404 - Bridge Deck (Rev. Oct. 2022)
Chapter 405 - Reinforced-Concrete Structure
(Rev. Feb. 2025)
(Rev. Feb. 2025)
Chapter 406 - Prestressed-Concrete Structure
(Rev. Feb. 2025)
(Rev. Feb. 2025)
Chapter 407 - Steel Structure (Rev. Feb. 2024)
Chapter 408 - Foundation (Rev. Oct. 2023)
Chapter 409 - Abutment, Bent, Pier, and Bearing
(Rev. Oct. 2024)
(Rev. Oct. 2024)
Chapter 410 - Earth-Retaining System
(Rev. Dec. 2021)
(Rev. Dec. 2021)
Chapter 412 - Bridge Preservation
(Rev. Jul. 2025)
(Rev. Jul. 2025)
Chapter 413 - Wood/Other Structures
Chapter 65 - Wood Superstructures (Rev. Jan. 2011)Chapter 414 - Bridge Design Operational Information
Chapter 70 - Bridge Design Operational Information (Rev. Jan. 2011)PART 5 - TRAFFIC AND SAFETY
Chapter 502 - Traffic Design
(Rev. Apr. 2026)
(Rev. Apr. 2026)
Chapter 503 - Maintenance of Traffic Design
(Rev. Apr. 2026)
(Rev. Apr. 2026)
PART 6 - PAVEMENT DESIGN
Chapter 601 - Pavement Design Process
(Rev. Aug. 2025)
(Rev. Aug. 2025)
Chapter 602 - Project Categories and Pavement Types
(Rev. Aug. 2025)
(Rev. Aug. 2025)
Chapter 603 - Pavement Distress, Repair, and Widening
(Rev. Apr. 2025)
(Rev. Apr. 2025)
Chapter 604 - Pavement Testing and MEPDG
(Rev. Apr. 2025)
(Rev. Apr. 2025)
Chapter 605 - Pavement Project Elements
(Rev. Jan. 2022)
(Rev. Jan. 2022)
Chapter 606 - Life-Cycle Pavement Cost Analysis
(Rev. Aug. 2025)
(Rev. Aug. 2025)
Chapter 607 - Pavement Pay Items
(Rev. Dec. 2023)
(Rev. Dec. 2023)