SR 75 TOLLBOOTH PLAZA GATEWAY PROJECTCity of Coronado

Design Alternatives WorkshopJune 4th, 2015

Project Overview

Ped/Bike Undercrossing

6 Lanes270’ Roadway + Median350’ Right-of-way

6 Lanes 64’ Roadway

HIGHWAY

NEIGHBORHOOD

5 Lanes64’ Roadway

Transition zone

Community Workshop #1Launch of Project Website and Online Survey

Presentations to Local Stakeholders:Transportation CommissionDesign Review CommissionCultural Arts CommissionPublic Arts CommissionCoronado MainStreetChamber of CommerceCity Council Gateway CommitteeHistorical AssociationBicycle Advisory CommitteeRotary Club Coronado Cays HOACoronado School Board

Community Workshop #2 – JUNE 4Present design alternativesCommunity poll on preferred designRefine preferred design

Final Conceptual Design

JANUARY 28, 2015Online poll & survey

JUNE 4, 2015

AUGUST 2015

Online poll thru July 4

FEBRUARY

MARCH

APRIL

MAY

Project Progress & Schedule

The Process:Developing the Gateway Plan

STEP 1

UNDERSTAND COMMUNITY

NEEDS

STEP 2

BUILD THE FRAMEWORK

STEP 3

ADD DESIGN

ELEMENTS

STEP 1:UNDERSTAND COMMUNITY NEEDS

620 Participants and over 750 comments

Calm Traffic

Create Connections

Maintain/Improve Safety

Incorporate Architecture, Art, Landscape and Signage

Build on Coronado Character A New Structure or Pedestrian Bridge

A World-Class Gateway

Welcoming Entry with Local Character

COMMUNITY PRIORITIES WHAT DO YOU WANT TO SEE?

STEP 2: BUILD THE FRAMEWORKThe Goal is to Transition High Vehicle Speed and Volumes of

Freeway Cars into a Network of Neighborhood Streets

How should the transition of traffic into the neighborhood be addressed?

PRESERVE EXISTING STRUCTURES & NARROW RIGHT-OF-WAY

Existing Features:• Narrow right-of-way and

move incoming lanes closer to median

• Maintain existing capacity

• Add landscaping along eastern edge

Cost Range: $$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

PRESERVE EXISTING STRUCTURES & NARROW RIGHT-OF-WAY

Existing Features:• Narrow right-of-way and

move incoming lanes closer to median

• Maintain existing capacity

• Add landscaping along eastern edge

Cost Range: $$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

PRESERVE EXISTING STRUCTURES & NARROW RIGHT-OF-WAY

ExistingProposed Features:• Narrow right-of-way and

move incoming lanes closer to median

• Maintain existing capacity

• Add landscaping along eastern edge

Cost Range: $$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

REMOVE EXISTING STRUCTURES & NARROW RIGHT-OF-WAY

Existing Features:• Remove toll plaza and CHP

building

• Narrow right-of-way and move incoming lanes closer to median

• Maintain existing capacity

• Add landscaping along eastern edge

Cost Range: $$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

REMOVE EXISTING STRUCTURES & NARROW RIGHT-OF-WAY

Existing Features:• Remove toll plaza and CHP

building

• Narrow right-of-way and move incoming lanes closer to median

• Maintain existing capacity

• Add landscaping along eastern edge

Cost Range: $$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

REMOVE EXISTING STRUCTURES & NARROW RIGHT-OF-WAY

ExistingProposed Features:• Remove toll plaza and CHP

building

• Narrow right-of-way and move incoming lanes closer to median

• Maintain existing capacity

• Add landscaping along eastern edge

Cost Range: $$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Existing

ROUNDABOUT

Features:• Curvature reduces

speeds• Maintain existing

capacity• Interior space may be

used for landscaping, signage, or other design features

• Diversion options may be feasible

Cost Range: $$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Existing

ROUNDABOUT

Features:• Curvature reduces

speeds• Maintain existing

capacity• Interior space may be

used for landscaping, signage, or other design features

• Diversion options may be feasible

Cost Range: $$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Proposed

BOULEVARD

Features:• Narrow lane widths to

reduce speeds• Maintain existing capacity• Separate street with

landscaping• Use medians and

landscape to create a narrowed gateway effect

• Surplus right-of-way may be used for new open space or design features

Cost Range: $$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Existing

BOULEVARD

Features:• Narrow lane widths to

reduce speeds• Maintain existing capacity• Separate street with

landscaping• Use medians and

landscape to create a narrowed gateway effect

• Surplus right-of-way may be used for new open space or design features

Cost Range: $$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

ExistingProposed

Existing

CURVED ALIGNMENT

Features:• Curvature deflects traffic

and reduces speeds

• Maintain existing capacity

• Surplus right-of-way may be dedicated for new park space

Cost Range: $$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Existing

CURVED ALIGNMENT

Features:• Curvature deflects traffic

and reduces speeds

• Maintain existing capacity

• Surplus right-of-way may be dedicated for new park space

Cost Range: $$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Proposed

Existing

CUT + COVER

Features:• Creates new, large park

space for recreation and other design features

• Maintain existing capacity

• Optimizes pedestrian use and views of bay

• Channels traffic under new park space

• Maintain Zipper Storage in Cut + Cover

Cost Range: $$$$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Existing

CUT + COVER

Features:• Creates new, large park

space for recreation and other design features

• Maintain existing capacity

• Optimizes pedestrian use and views of bay

• Channels traffic under new park space

• Maintain Zipper Storage in Cut + Cover

Cost Range: $$$$$=<$5M $$: $5M - $10M $$$: $10M-$50M $$$$:>$50M

Proposed

STEP 3: ADD DESIGN ELEMENTS THAT REFLECT CORONADO’S UNIQUE CHARACTER

Sculpture Art/Mural Landscaping

Pedestrian Bridge Architecture Signage

PCH PEDESTRIAN BRIDGEDANA POINT, CA

EXAMPLE:

Features:• Boulevard + Footbridge +

Signage

• Provides ped/bike connection over a six-lane arterial road (133’ curb to curb width)

• Eliminates crosswalk to reduce traffic delays

• Cost: $6M

MILLENIUM PARK BRIDGECHICAGO, IL

Features:• Boulevard + Footbridge

• Provides ped/bike connection over a six-lane arterial road (144’ curb to curb width)

• Serves as noise barrier from roadway

• Cost: $12-15M

EXAMPLE:

Features:• Boulevard + Sculpture,

Signage, and Lighting

• Gateway circle of 15 100-foot tall columns

• Sustains traffic flow and capacity

• Cost: $15M

LAX AIRPORTLOS ANGELES, CA

EXAMPLE:

Features:• Boulevard + Ped Walkway,

Park Space, and Lighting

• Replaced a highway and connected community

• Sustains traffic demand and capacity

• Cost: $26 M

OCTAVIA BOULEVARDSAN FRANCISCO, CA

EXAMPLE:

Before

After

Features:• Roundabout +

Architecture Monument + Sculpture

• Pedestrian overlook

• Gateway to Champs Elysees (Boulevard)

• Cost: Priceless

ARC DE TRIOMPHEPARIS, FRANCE

EXAMPLE:

Features:• Cut and Cover + Park

Space and Ped Access

• Connects the community

• Sustains traffic flow and capacity

• Cost: $70 M

I-15 / POLK + ORANGE SAN DIEGO, CA

EXAMPLE:

Features:• Cut and Cover + Park Space,

Ped Access; Historical Site

• Creates access to a waterfront park

• Sustains traffic flow and capacity

• 1,480 feet long

• Cost: $220 M

LEIF ERIKSON PARKDULUTH, MN

EXAMPLE:

SIGNAGEEXAMPLE:

BOULEVARD + ARCHITECTURE

BOULEVARD + SCULPTURE

Review design alternatives and discuss with the project team

Take the online poll to provide your input (available through July 4):

WWW.CORONADOGATEWAY.COM

Online Poll Results

Refine Preferred Alternative

Final Conceptual Design

ENDING JULY 4 END OF AUGUST

NEXT STEPS