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From page 15... ... 10 SECTION 3: PLANNING AND DEVELOPING THE DRAFT THIRD EDITION HFG The outcomes from Tasks 3, 4, and 5 were used to develop a work plan for developing the HFG3, which guided the guideline development process and activities. This section summarizes the development of the work plan and the subsequent new chapters and chapter updates that comprise the HFG3. Read the entire page →
From page 16... ... 11 ■ Chapter 11: Signalized Intersections ■ Chapter 17: Speed Perception, Speed Choice, and Speed Control ■ Lower priority chapter updates as time and budget allow Task 7: Develop and Submit Interim Report At mid-project, an interim report was developed describing project activities to date. The Task 7 Interim Report included: ■ Slides from the kickoff meeting in Task 2 – including notes and action items discussed at the meeting. Read the entire page →
From page 17... ... 12 The following new chapters and guidelines were completed: ■ Bicyclists  Signals and Signal Timing for Bicycles at Intersections  Markings for Bicycles at Intersections  Bicycle Lanes  Separated Bicycle Lanes  Contraflow Bicycle Lanes  Shared Use Lanes  Shared Bus-Bicycle Lanes  Mitigating Heavy Vehicle Conflicts with Bicycles ■ Pedestrians  Task Analysis of Pedestrian Crossing In a Multiple-Threat Scenario  Countermeasures to Reduce Pedestrian Exposure to Vehicles at Crossings  Speed-Calming Countermeasures at Crosswalks  Improving Pedestrian Visibility and Conspicuity at Crosswalks  Selecting Beacons to Improve Pedestrian Conspicuity at Crosswalks  Influence of the Built Environment on Pedestrian Crossing Safety  Design Challenges for Older Pedestrians  Pedestrian Rail Crossing Safety  Key References for Pedestrian Crossing Safety Countermeasures ■ Roundabouts  Reducing Vehicle Speeds Approaching Roundabouts  Increasing Driver Yielding Rates for Pedestrians at Roundabouts  Guide Signing at Roundabouts  Accommodations for Bicyclists at Roundabouts  Countermeasures for Improving Accessibility for Visually Impaired Pedestrians at Roundabouts  Roundabout Lighting The following existing chapters were updated: ■ Chapter 1: Why Have Human Factors Guidelines for Road Systems? ■ Chapter 5: Sight Distance  Key Components of Sight Distance  Determining Stopping Sight Distance  Determining Intersection Sight Distance Read the entire page →
From page 18... ... 13  Determining When to Use Decision Sight Distance  Determining Passing Sight Distance  Influence of Speed On Sight Distance  Key References for Sight Distance Information  Where to Find Sight Distance Information for Intersections ■ Chapter 10: Non-Signalized Intersections  Acceptable Gap Distance  Left-Turn Lanes at Non-Signalized Intersections (new guideline)  Sight Distance at Left-Skewed Intersections  Sight Distance at Right-Skewed Intersections  Countermeasures for Improving Accessibility for Vision-Impaired Pedestrians at Roundabouts (moved to new Roundabouts chapter and updated) Read the entire page →
From page 19... ... 14 Challenges Two primary challenges were associated with accomplishing project goals. The first challenge was related to updating existing guidelines. Read the entire page →
From page 20... ... 15 ■ Leading Pedestrian Interval (include in the Signalized Intersection) ■ Bus Stops Bicyclists ■ Design Countermeasures for Bicyclist Visibility ■ Lighting for Bicyclist Visibility. Read the entire page →

From page 15...

... 10 SECTION 3: PLANNING AND DEVELOPING THE DRAFT THIRD EDITION HFG The outcomes from Tasks 3, 4, and 5 were used to develop a work plan for developing the HFG3, which guided the guideline development process and activities. This section summarizes the development of the work plan and the subsequent new chapters and chapter updates that comprise the HFG3.

Read the entire page →

From page 16...

... 11 ■ Chapter 11: Signalized Intersections ■ Chapter 17: Speed Perception, Speed Choice, and Speed Control ■ Lower priority chapter updates as time and budget allow Task 7: Develop and Submit Interim Report At mid-project, an interim report was developed describing project activities to date. The Task 7 Interim Report included: ■ Slides from the kickoff meeting in Task 2 – including notes and action items discussed at the meeting.

Read the entire page →

From page 17...

... 12 The following new chapters and guidelines were completed: ■ Bicyclists  Signals and Signal Timing for Bicycles at Intersections  Markings for Bicycles at Intersections  Bicycle Lanes  Separated Bicycle Lanes  Contraflow Bicycle Lanes  Shared Use Lanes  Shared Bus-Bicycle Lanes  Mitigating Heavy Vehicle Conflicts with Bicycles ■ Pedestrians  Task Analysis of Pedestrian Crossing In a Multiple-Threat Scenario  Countermeasures to Reduce Pedestrian Exposure to Vehicles at Crossings  Speed-Calming Countermeasures at Crosswalks  Improving Pedestrian Visibility and Conspicuity at Crosswalks  Selecting Beacons to Improve Pedestrian Conspicuity at Crosswalks  Influence of the Built Environment on Pedestrian Crossing Safety  Design Challenges for Older Pedestrians  Pedestrian Rail Crossing Safety  Key References for Pedestrian Crossing Safety Countermeasures ■ Roundabouts  Reducing Vehicle Speeds Approaching Roundabouts  Increasing Driver Yielding Rates for Pedestrians at Roundabouts  Guide Signing at Roundabouts  Accommodations for Bicyclists at Roundabouts  Countermeasures for Improving Accessibility for Visually Impaired Pedestrians at Roundabouts  Roundabout Lighting The following existing chapters were updated: ■ Chapter 1: Why Have Human Factors Guidelines for Road Systems? ■ Chapter 5: Sight Distance  Key Components of Sight Distance  Determining Stopping Sight Distance  Determining Intersection Sight Distance

Read the entire page →

From page 18...

... 13  Determining When to Use Decision Sight Distance  Determining Passing Sight Distance  Influence of Speed On Sight Distance  Key References for Sight Distance Information  Where to Find Sight Distance Information for Intersections ■ Chapter 10: Non-Signalized Intersections  Acceptable Gap Distance  Left-Turn Lanes at Non-Signalized Intersections (new guideline)  Sight Distance at Left-Skewed Intersections  Sight Distance at Right-Skewed Intersections  Countermeasures for Improving Accessibility for Vision-Impaired Pedestrians at Roundabouts (moved to new Roundabouts chapter and updated)

Read the entire page →

From page 19...

... 14 Challenges Two primary challenges were associated with accomplishing project goals. The first challenge was related to updating existing guidelines.

Read the entire page →

From page 20...

... 15 ■ Leading Pedestrian Interval (include in the Signalized Intersection) ■ Bus Stops Bicyclists ■ Design Countermeasures for Bicyclist Visibility ■ Lighting for Bicyclist Visibility.

Read the entire page →

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