Downloads and Documents

Turbo Architecture and Regional Architecture Development for Intelligent Transportation (RAD-IT) are software applications that supports development of regional and project ITS architectures using the National ITS Architecture as a starting point.

SCAG makes available Subregional ITS Architecture files to be used with the Turbo Architecture software here:

• Imperial County ITS Architecture Files (RAD-IT)
• Inland Empire ITS Architecture Files for Riverside & San Bernardino Counties (WinZip TBO)
• Los Angeles County ITS Architecture Files (RAD-IT)
• Multi-County Issue ITS Architecture Files - 2004 (WinZip TBO)
• Orange County ITS Architecture Files (WinZip TBO)
• Ventura County ITS Architecture Files (RAD-IT)

Additional downloads:

• SCAG Imperial County and Ventura County 2026 ITS Architecture Update
• Cross-County Services (WinZip TBO)
• Southern California Regional ITS Architecture 2008 Security Update (WinZip TBO)

• Southern California Regional ITS Architecture Update
• Final Report

• Existing and Planned Cross County Services
• Existing and Planned Cross-County Services and Interfaces, Recommended Subregional ITS Architecture Elements
• Turbo Architecture software file (Winzip TBO)

• ​Express Lane Regional ITS Elements
• Recommended Express Lane Subregional ITS Architecture Elements

• ​Non-Motorized Transportation ITS Elements

• Positive Train Control History and Plans for Deployment
• Positive Train Control Regional ITS Architecture Elements
• Recommended Positive Train Control Subregional ITS Elements

Southern California Regional ITS 2008 Security Update

• ​Architecture Update Final Report
• SCAG ITS Security Supplement Project List
• SCAG Security Supplement Turbo Architecture file (WinZip TBO)

Imperial County

• ​Final Architecture Documents
• Final Architecture Documents
• Interconnect Diagrams
• Flow Diagrams
• Turbo Architecture file (WinZip TBO)

Inland Empire (Riverside San Bernardino Counties)

• ​Final Architecture Documents – 2005 Update
• Final Architecture Documents – 2005 Update Appendix D
• Interconnect Diagrams and Flow Diagrams
• Turbo Architecture file (WinZip TBO)

Los Angeles County

• Los Angeles County ITS Architecture website
• Final Report – January 2019
• Los Angeles County ITS Architecture Files (RAD-IT)

Multi-County Issue (2004)

• ​Final Architecture Documents
• Final Architecture Documents
• Interconnect Diagrams
• Flow Diagrams
• Turbo Architecture file (WinZip TBO)

Orange County

• Orange County ITS Strategic Deployment Plan 2019 Update – Final Report
• RAD-IT Architecture File (RAD-IT 8.3)

Ventura County

• ​Final Architecture Documents
• Final Architecture Documents
• Interconnect Diagrams
• Flow Diagrams
• Turbo Architecture file (WinZip TBO)