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.
Suburban Retrofits reintroduce the components of urbanism that were either illegal, undesired, or
missing from much of suburbia.
Three 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 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-20
5
92nd
Ave
nue
Division
I-20
5
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
