PSU Safety Conference€¦ · PSU Safety Conference Pedestrian/Bike Safety & Liability Wednesday,...
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Transportation Solutions Building Better Communities PSU Safety Conference Pedestrian/Bike Safety & Liability Wednesday, December 6, 2017
Transcript of PSU Safety Conference€¦ · PSU Safety Conference Pedestrian/Bike Safety & Liability Wednesday,...
Transportation Solutions Building Better Communities
PSU Safety Conference Pedestrian/Bike Safety & Liability
Wednesday, December 6, 2017
Page 2Transportation Solutions Building Better Communities
Pedestrian/Bike Safety Design
• Protected Intersections• Crosswalks & Crossings • Signal Phasing & Timing
Design Solutions
Transportation Solutions Building Better Communities
Protected Intersections
Source: Streetsblog NYC
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Protected Intersections
Source: MassDOT Separated Bike Lane Planning & Design Guide
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• Physical separation • “Head start” for crossing• Shortened crossing distance• Maximized visibility
Protected Intersections
Pedestrian + Bicycle Benefits
• Maintenance• Snow Removal• Vehicle Operations
Other Considerations
Source: MassDOT Separated Bike Lane Planning & Design Guide
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Protected Intersections
Source: MassDOT Separated Bike Lane Planning & Design Guide
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Protected Intersections
Inman Square Safety Improvement Project• Existing Conditions
− Bikes in road− Long crossings− Indirect crossings− Long cycle length
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Protected Intersections
Inman Square Safety Improvement Project SquareCorner Refuge IslandForward Bicycle Stop BarProtected Signal Phasing
Tight Corner RadiiSeparate Turn Lanes
Off-set Stop Bars
Transportation Solutions Building Better Communities
Prioritized Crossings
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Prioritized Crossings
Minor Street Intersections
• Raised Crossings− Improved Visibility− Emphasizes Pedestrian &
Bicycle Priority − Maintain Low Vehicle Speeds
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Prioritized Crossings
Examples
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• Inadequate gaps in traffic• High Vehicle Speeds• Excessive Pedestrian Delay
Prioritized Crossings
HAWKS Signals/Pedestrian Hybrid Beacons
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Prioritized Crossings
Morrissey Boulevard
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Prioritized Crossings
Morrissey Boulevard Redesign
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• Lower Costs than Signals• Increase Driver Yielding• Increase Safety Effectiveness• Reduce Incidence of
Multiple-Threat Crashes
Prioritized Crossings
Rectangular Rapid Flash Beacon (RRFB)
BEFORE AFTER
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• Reduced crossing length • Minimized exposure• Decreased delay • Traffic calming
Prioritized Crossings
Medians & Curb Extensions
Transportation Solutions Building Better Communities
ADD IMAGE
Signal Phasing & Timing
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Signal Phasing & Timing
Time Separated Movements
Source: MassDOT Separated Bike Lane Planning & Design Guide
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• Establish Pedestrians and Bicycles within Crossings
• Enhance Visibility• Reinforce Right of Way Over Vehicles
Signal Phasing & Timing
Lead Pedestrian and Bicycle Interval
Source: MassDOT Separated Bike Lane Planning & Design Guide
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Signal Phasing & Timing
Inman Square
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Signal Phasing & Timing
Pedestrian and Bicycle Clearance Time
Source: Manual on Uniform Traffic Control Devices for Streets and Highways 2009 Edition
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Key Takeaways
• Safety Improvements on Any Scale• Improving Visibility • Physical Separation• Separation in Time
Transportation Solutions Building Better Communities
Resources & Guidelines
Page 24Transportation Solutions Building Better Communities
• National Association of City Transportation Officials (NACTO)− Urban Bikeway Design Guide− Urban Street Design Guide
• MassDOT Separated Bike Lane Planning & Design Guide
• Boston Complete Streets Design Guidelines
Resources
Transportation Solutions Building Better Communities
Questions?
Erin FredetteMcMahon Associates – Boston Office
Email me: [email protected]
call: (617) 556-0020
Transportation Solutions Building Better Communities
Back up Slides
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Prioritized Crossings
HAWKS Signals/Pedestrian Hybrid Beacons
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Signal Phasing & Timing
Time Separated Movements
Source: MassDOT Separated Bike Lane Planning & Design Guide
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Signal Phasing & Timing
Source: MassDOT Separated Bike Lane Planning & Design Guide
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Protected Intersections
McGrath Highway/Boulevard
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Protected Intersections
McGrath Highway/Boulevard
• Corner Refuge Island• Forward Bicycle Stop Bar• Protected Signal Phasing• Tight Corner Radii• Separate Turn Lanes
Page 33Transportation Solutions Building Better Communities
Protected Intersections
Shea Circle – Casey Arborway Project
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Protected Intersections
Shea Circle – Casey Arborway Project
