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Spokes Engineering Spokes Engineering Spokes Engineering Spokes Engineering

Bicycle Lanes for the City of Boston Hector Bermudez Peter Hagen Christopher Longenbaker Zachary Wassmouth

Commonwealth Avenue Commonwealth Avenue Commonwealth Avenue Commonwealth Avenue

Public Garden Left Side Bike Lanes Garden Kenmore Square q

Benefits of Left Side Bike Lanes Benefits of Left Side Bike Lanes Benefits of Left Side Bike Lanes Benefits of Left Side Bike Lanes

No risk of “dooring” while traveling alongside

No risk of “dooring” while traveling alongside k d k d parked cars parked cars

No blockage of bike lane from double

No blockage of bike lane from double-

• parked

parked vehicles vehicles

Access into the underpass at Massachusetts

Access into the underpass at Massachusetts p Avenue Avenue

Underpass at Massachusetts Ave. Underpass at Massachusetts Ave. Underpass at Massachusetts Ave. Underpass at Massachusetts Ave.

EXISTING TRANSITION PROPOSED TRANSITION Video

Bike Boxes Bike Boxes Bike Boxes Bike Boxes

Advanced stop line

Advanced stop line for cyclists for cyclists

Cyclists more visible

Cyclists more visible to motorists to motorists

Bike lane painted

Bike lane painted across intersections across intersections across intersections across intersections

Rendering of a Bike Box at Rendering of a Bike Box at Gloucester Street Intersection Gloucester Street Intersection Gloucester Street Intersection Gloucester Street Intersection

Transition To/From Right Side Bike Transition To/From Right Side Bike Lanes Lanes Lanes Lanes

Transition Transition from left to right Right side bike lanes

Left to Right Transition Left to Right Transition Left to Right Transition Left to Right Transition

Westbound Transition Westbound Transition Eastbound Eastbound Transition Transition Transition Transition

Road Diet for Bike Lane Road Diet for Bike Lane Road Diet for Bike Lane Road Diet for Bike Lane

Kenmore Square Kenmore Square Kenmore Square Kenmore Square

Commonwealth Avenue Commonwealth Avenue

N

• Warren St. to Packard’s Corner

Warren St. to Packard’s Corner-

• N

BU BU Allston Allston NU NU

Left Side Bike Lane

• Commonwealth Ave. Service Road-

Where Where are

sharrows sharrows ?

required ?

N Packard’s Corner Warren St. Sharrows Left Bike Lanes

Commonwealth Avenue Commonwealth Avenue

N

• Packard’s Corner to BU Bridge

Packard’s Corner to BU Bridge-

• N

BU BU Allston Allston NU NU

Cross-Sections

• Existing and Proposed-

10’ Lanes & Bike Lanes

• A Win for Cyclists and Motorists-

10’ Lanes & Bike Lanes

• A Win for Cyclists and Motorists-

10’ Lanes & Bike Lanes

• A Win for Cyclists and Motorists-

Potts Study (2007): Potts Study (2007):

“It was concluded from this research that there was

no indication of an increase in crash frequencies as no indication of an increase in crash frequencies as lane width decreased for arterial roadway segments

• r arterial intersection approaches.”

pp

Benefits for Motorists

• More Room in Winter-

Packard’s Corner

• Interesting Intersections-

N

Future Curb Reduction

BU Bridge

• Interesting Intersections-

N

Commonwealth Avenue Commonwealth Avenue

N

• Making Connections: Allston to Arlington St.

Making Connections: Allston to Arlington St.-

• N

Arlington St Arlington St BU BU Allston Allston Arlington St. Arlington St. NU NU

Dartmouth Street Dartmouth Street

Stuart Street to Charles River Bike Path

Section 1 Section 1

Boylston Street to Commonwealth Ave.

Eliminating parking along left side of the road Reduction of travel lanes to 10’ Implementing reverse-angle parking Pair of 4’ bike lanes on left side with 1’ buffer

Section 2 Section 2

Commonwealth Ave. to Beacon Street

Reducing street to 1 travel lane

P P

332 during PM peak (avg. 10 per cycle) NYC style parking buffer Provision of a bike phase at Dartmouth/Beacon

Section 3 Section 3

Beacon Street to Charles River Path

EXCEPT

Access to Charles River Dashed line through intersection Provision of signage for vehicular traffic

Dartmouth Street Dartmouth Street

Sections 4 & 5

Section 4 Section 4

Stuart Street to Huntington Avenue

Heavy left turn traffic onto Huntington or I-90 Heavy left turn traffic onto Huntington or I-90 Single NB 4’ bike lane with 3’ buffer Bike Box

Section 5 Section 5

Huntington Avenue to Boylston Street

Heavy right turn traffic onto Boylston Street

RIGHT TURN CONFLICT NO RIGHT TURN CONFLICT

409 during AM peak (avg. 12 per cycle) Pair of 4’ bike lanes on left side with 2’ buffer

South Boston South Boston F P i Ch l L S B h F P i Ch l L S B h Fort Point Channel to L St. Beach Fort Point Channel to L St. Beach

Bike Lanes e a es Sharrows

Safety @ Right Turns Safety @ Right Turns Safety @ Right Turns Safety @ Right Turns

D St. D St. D St. D St.

Width Width -

• Floating Bike Lanes

Floating Bike Lanes g

Floating Bicycle Lane Operation Floating Bicycle Lane Operation Floating Bicycle Lane Operation Floating Bicycle Lane Operation

Summer St. looking NB Summer St. looking NB

Floating Bike Lane Cross Section Floating Bike Lane Cross Section Floating Bike Lane Cross Section Floating Bike Lane Cross Section

NORTHBOUND SIDE NORTHBOUND SIDE

• Lane Orientation

Lane Orientation

Traffic Analysis Traffic Analysis

Two intersections

Two intersections

Two intersections

Two intersections

Under capacity

Under capacity

THE END THE END