erfurt c n u2009

Cost Savings for Freeway Teardowns

Replace, Prevent, Remove

Prepared by:

Edward W. Erfurt IVUrban DesignerTown Planning and Design

www.ErfurtDesign.com

June 13, 2009

FrameworkUnderstanding

…The idea of systemic, long lasting,

transformative change.

…The idea of systemic, long lasting,

transformative change.

Suburban Retrofits reintroduce the components of urbanism that were either illegal, undesired, or

missing from much of suburbia.

Suburban Retrofits reintroduce the components of urbanism that were either illegal, undesired, or

missing from much of suburbia.

Three Types of Freeway RemovalsThree Types of Freeway Removals

2. Remove

3. Prevent

1. Replace

ReplacementTear Down Types

• Fundamental Change in Design

• Change in Classification

• Maintenance or Ownership

• Functional Class

• Change in Priority

• Introduction of Transit

• New Community Vision

• Catastrophic Change

• Structural Failure

•Natural Disaster

Replacement

South Military Highway

Chesapeake, Virginia

Grade Separation without a Grade ChangeGrade Separation without a Grade Change

13

Existing Street Network

Division

Powell

I - 2

05

82nd

Ave

.

92nd

Ave

.

Station Area Planning: Division Street Station, Powell Street Station:

Portland, OR

Division

I-205

92nd

Ave

nue

Division

I-205

92nd

Ave

nue

16

Division Station

17

Division Station

River Front Parkway

Chattanooga, Tennessee

Removal Tear Down Types

• Completely Removing a Structure

• Evaporates the Traffic

• Removal or Consolidation of Ramps

• Abandonment of Right of Way

• Untangling a Confluence

• Increasing Access

Removal

Cheonggyecheon

, Seoul, South Korea

Same corridor after CSS

PreventionTear Down Types

• Paper Plans

• Waiting for Funding

• Need for Immediate Change

• Current Traffic Problems

• Safety Issues

• Required Maintenance

Prevention

Prevention

Montrose Parkway

White Flint, Maryland

Cost Savings for Freeway Teardowns

Replace, Prevent, Remove

Prepared by:

Edward W. Erfurt IVUrban DesignerTown Planning and Design

www.ErfurtDesign.com

June 13, 2009