INDOT: 2020 Standard Specifications 2020 Standard Specifications INDOT Doing Business with INDOT Standards & Specifications Current: 2020 Standard Specifications Effective for Lettings on or after September 1, 2019 thru August 31, 2021 2020 INDOT Standard Specifications Sections and Titles Cover Page and SI Units 2020 COVER Table of Contents 2020 TOC General Provisions Division 100 Earthwork Division 200 Aggregate Pavement and Bases Division 300 Asphalt Pavements Division 400 Concrete Pavement Division 500 Incidental Construction Division 600 Structures Division 700 Traffic Control Devices and Lighting Division 800 Materials Details Division 900 Index of Pay Items 2020 Pay Items Revisions to the 2018 Standard Specifications Changes