12B-3: On-Street Bicycle Facilities Table of Contents Content Information On this page... Chronology of Changes Iowa Statewide Urban Design and Specifications Back to top Chronology of ChangesChronology of ChangesDateRevision Description 5/27/2026New 2026 Update⤢ Back to top Book navigation for 12B-3: On-Street Bicycle Facilities Book links for 12B-3: On-Street Bicycle Facilities 12B-2: Shared Use Path Design Up 12B-10: Pedestrian Path Guidelines: Safety Rail Book Navigation Menu Table of Contents Design Manual Chapter 1 - General Information 1A-1: About This Manual 1B-1: Glossary and Abbreviations 1B-2: Contact Information 1B-4: Densities for Use in Estimating Quantities 1B-5: Pipe Thickness Tables 1B-6: Project Cost Estimates 1B-7: Managing Changes in Project Concepts 1C-1: Selecting Design Criteria 1C-7: Public Interest Findings 1C-8: Documenting Design Decisions 1D-1: Project Flow Chart 1D-3: Preliminary Survey Procedure 1D-4: Pavement Determination Process 1D-7: Interchange Review 1D-8: Access Review Submittal 1D-9: Field Examination Checklist (New and Reconstructed Highways) 1D-10: Field Examination Checklist (3R and 4R Projects) 1D-20: Reviewing Railroad Crossings at Side Roads 1D-21: Flood Debris Removal Plans 1E-1: Certification of Plans 1E-5: Standard Road Plans 1E-6: Designer Information for Standard Road Plans 1E-7: Designer Information for Road Design Details 1F-3: B Sheets Chapter 2 - Alignments 2A: Horizontal Alignment 2B: Superelevation 2C: Vertical Alignment Chapter 3 - Cross Sections Chapter 4 - Drainage 4A-1: Introduction to Stormwater Drainage System Design 4A-2: Stormwater Drainage System Information Sources, Documentation, and Permitting 4A-3: Effects of Roadway Geometrics on Pavement Drainage 4A-4: Concept Plan 4A-6: Calculating Spread and Checking Intake Location 4A-7: Open-throat Curb Intakes 4A-8: Barrier Grate Intakes Chapter 5 - Earthwork 5B - Earthwork Excavation Procedures Chapter 6 - Geometric Design Chapter 7 - Pavement 7A-2: Jointing Guidelines 7A-3: Jointing Rural Intersections 7A-4: Jointing Urban Intersections 7A-5: Jointing Cul-de-Sacs 7A-6: Jointing Ramp and Loop Terminals 7C-1: Granular Surfacing Chapter 8 - Roadside Safety 8A-1: Introduction to Roadside Safety 8A-2: Clear Zones 8A-3: Treatment Options for Objects within the Clear Zone 8A-4: Warrants for Specific Objects 8A-5: Roadside Safety Hardware Assessment 8A-6: Zone of Intrusion 8A-7: Introduction to MASH Crash Testing 8A-8: Evaluating Roadside Safety Hardware 8B-2: Culvert Opening Safety Treatments 8B-5: Choosing a Barrier 8B-6: Locating a Barrier 8C-1: Concrete Barrier Rail 8C-3: High Tension Cable Guardrail 8C-5: Crash Cushions Chapter 9 - Traffic Control 9A-1: Fundamental Principles of Traffic Control in Work Zones 9A-2: Traffic Control Zones 9A-3: Tapers 9A-4: Regulatory Speed Limit Changes 9A-5: Traffic Control Plans 9B-1: Basic Requirements of Traffic Control Devices 9B-2: Signs 9B-3: Channelizing Devices 9B-4: Temporary Markings 9B-5: Warning Lights 9B-6: Floodlights 9B-7: Arrow Displays 9B-8: Changeable Message Sign 9B-9: Positive Protection 9B-10: Road Closures 9B-11: Speed Feedback Trailer Signs 9C-1: Introduction to Work Zone Activities 9C-2: Work Located off the Traveled Way 9C-3: Work on Two-Lane Roadways 9C-4: Work on Multi-Lane Roadways 9C-5: Control of Traffic Through Incident Areas 9C-6: On-site Paved Detours (Rural Two Lane Roadways) 9C-7: Haul Road Crossings 9C-8: Emergency Pull-offs During Construction 9D-1: Pavement Markings 9E-1: Traffic Critical Projects Program 9F-1: Introduction to Traffic Mobility and Safety Mitigations 9F-2: Mobility and Safety Mitigations by Work Type 9F-3: Proposal Mitigations 9F-4: Design Mitigations 9F-6: Traffic Operations 9F-7: Intelligent Work Zone Applications 9F-8: Traffic Incident Management Plan 9F-9: Public Information Chapter 10 - Roadside Development and Erosion Control 10A-1: Topsoil Replacement 10B-1: Seeding, Fertilizing, and Mulching 10C-2: Storm Water Detention 10C-3: Vegetated Buffers 10C-4: Temporary Sediment Control Devices for Intakes and Manholes 10C-5: Temporary Sediment Control in Urban Areas 10D-2: Storm Water Discharge Permits for Maintenance Projects Chapter 11 - Other Design Topics 11D-1: Casing Pipe 11D-4: No Excuse Bonus – District Driven Incentive Chapter 12 - Pedestrian and Bicycle Facilities 12A-1: General Sidewalk Requirements 12A-2: Accessible Sidewalk Requirements 12A-3: Protruding Objects 12A-4 : Pedestrian Facilities During Construction 12A-5: Pedestrian Safety Measures at Crossings 12B-1: Selecting Bicycle Facilities 12B-2: Shared Use Path Design 12B-3: On-Street Bicycle Facilities 12B-10: Pedestrian Path Guidelines: Safety Rail 12C-1: Check for ADA Compliance Chapter 22 - Microstation ORD Connect Chapter 40 - Design Survey Specifications Chapter 120 - Specifications Chapter 200 - Geotechnical Design Design Manual Video Index
Table of Contents Content Information On this page... Chronology of Changes Iowa Statewide Urban Design and Specifications Back to top Chronology of ChangesChronology of ChangesDateRevision Description 5/27/2026New 2026 Update⤢ Back to top Book navigation for 12B-3: On-Street Bicycle Facilities Book links for 12B-3: On-Street Bicycle Facilities 12B-2: Shared Use Path Design Up 12B-10: Pedestrian Path Guidelines: Safety Rail Book Navigation Menu Table of Contents Design Manual Chapter 1 - General Information 1A-1: About This Manual 1B-1: Glossary and Abbreviations 1B-2: Contact Information 1B-4: Densities for Use in Estimating Quantities 1B-5: Pipe Thickness Tables 1B-6: Project Cost Estimates 1B-7: Managing Changes in Project Concepts 1C-1: Selecting Design Criteria 1C-7: Public Interest Findings 1C-8: Documenting Design Decisions 1D-1: Project Flow Chart 1D-3: Preliminary Survey Procedure 1D-4: Pavement Determination Process 1D-7: Interchange Review 1D-8: Access Review Submittal 1D-9: Field Examination Checklist (New and Reconstructed Highways) 1D-10: Field Examination Checklist (3R and 4R Projects) 1D-20: Reviewing Railroad Crossings at Side Roads 1D-21: Flood Debris Removal Plans 1E-1: Certification of Plans 1E-5: Standard Road Plans 1E-6: Designer Information for Standard Road Plans 1E-7: Designer Information for Road Design Details 1F-3: B Sheets Chapter 2 - Alignments 2A: Horizontal Alignment 2B: Superelevation 2C: Vertical Alignment Chapter 3 - Cross Sections Chapter 4 - Drainage 4A-1: Introduction to Stormwater Drainage System Design 4A-2: Stormwater Drainage System Information Sources, Documentation, and Permitting 4A-3: Effects of Roadway Geometrics on Pavement Drainage 4A-4: Concept Plan 4A-6: Calculating Spread and Checking Intake Location 4A-7: Open-throat Curb Intakes 4A-8: Barrier Grate Intakes Chapter 5 - Earthwork 5B - Earthwork Excavation Procedures Chapter 6 - Geometric Design Chapter 7 - Pavement 7A-2: Jointing Guidelines 7A-3: Jointing Rural Intersections 7A-4: Jointing Urban Intersections 7A-5: Jointing Cul-de-Sacs 7A-6: Jointing Ramp and Loop Terminals 7C-1: Granular Surfacing Chapter 8 - Roadside Safety 8A-1: Introduction to Roadside Safety 8A-2: Clear Zones 8A-3: Treatment Options for Objects within the Clear Zone 8A-4: Warrants for Specific Objects 8A-5: Roadside Safety Hardware Assessment 8A-6: Zone of Intrusion 8A-7: Introduction to MASH Crash Testing 8A-8: Evaluating Roadside Safety Hardware 8B-2: Culvert Opening Safety Treatments 8B-5: Choosing a Barrier 8B-6: Locating a Barrier 8C-1: Concrete Barrier Rail 8C-3: High Tension Cable Guardrail 8C-5: Crash Cushions Chapter 9 - Traffic Control 9A-1: Fundamental Principles of Traffic Control in Work Zones 9A-2: Traffic Control Zones 9A-3: Tapers 9A-4: Regulatory Speed Limit Changes 9A-5: Traffic Control Plans 9B-1: Basic Requirements of Traffic Control Devices 9B-2: Signs 9B-3: Channelizing Devices 9B-4: Temporary Markings 9B-5: Warning Lights 9B-6: Floodlights 9B-7: Arrow Displays 9B-8: Changeable Message Sign 9B-9: Positive Protection 9B-10: Road Closures 9B-11: Speed Feedback Trailer Signs 9C-1: Introduction to Work Zone Activities 9C-2: Work Located off the Traveled Way 9C-3: Work on Two-Lane Roadways 9C-4: Work on Multi-Lane Roadways 9C-5: Control of Traffic Through Incident Areas 9C-6: On-site Paved Detours (Rural Two Lane Roadways) 9C-7: Haul Road Crossings 9C-8: Emergency Pull-offs During Construction 9D-1: Pavement Markings 9E-1: Traffic Critical Projects Program 9F-1: Introduction to Traffic Mobility and Safety Mitigations 9F-2: Mobility and Safety Mitigations by Work Type 9F-3: Proposal Mitigations 9F-4: Design Mitigations 9F-6: Traffic Operations 9F-7: Intelligent Work Zone Applications 9F-8: Traffic Incident Management Plan 9F-9: Public Information Chapter 10 - Roadside Development and Erosion Control 10A-1: Topsoil Replacement 10B-1: Seeding, Fertilizing, and Mulching 10C-2: Storm Water Detention 10C-3: Vegetated Buffers 10C-4: Temporary Sediment Control Devices for Intakes and Manholes 10C-5: Temporary Sediment Control in Urban Areas 10D-2: Storm Water Discharge Permits for Maintenance Projects Chapter 11 - Other Design Topics 11D-1: Casing Pipe 11D-4: No Excuse Bonus – District Driven Incentive Chapter 12 - Pedestrian and Bicycle Facilities 12A-1: General Sidewalk Requirements 12A-2: Accessible Sidewalk Requirements 12A-3: Protruding Objects 12A-4 : Pedestrian Facilities During Construction 12A-5: Pedestrian Safety Measures at Crossings 12B-1: Selecting Bicycle Facilities 12B-2: Shared Use Path Design 12B-3: On-Street Bicycle Facilities 12B-10: Pedestrian Path Guidelines: Safety Rail 12C-1: Check for ADA Compliance Chapter 22 - Microstation ORD Connect Chapter 40 - Design Survey Specifications Chapter 120 - Specifications Chapter 200 - Geotechnical Design Design Manual Video Index
