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November 6, 2009
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50,000 Miles of
Highway &
Freeway Lanes
In excess of 150
Billion Vehicle
Miles Traveled per
Year!
California Highway Traffic to Manage
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50,000 Miles of
Highway &
Freeway Lanes
In excess of 150
Billion Vehicle
Miles Traveled per
Year!
California Highway Traffic to Manage
![Page 4: LTC, Jack R. Widmeyer Transportation Research Conference, Going to San Bernardino A Symposium on Intermodal Transit Stations and Transit-Oriented Design, 11/06/2009, Jeff Gerfen](https://reader033.vdocument.in/reader033/viewer/2022060112/55703b85d8b42a611e8b4f19/html5/thumbnails/4.jpg)
One TMC per
District
Perform Traffic
Management
Functions
CHP Officers Co-
Located in TMCs
Caltrans TMCs
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One TMC per
District
Perform Traffic
Management
Functions
CHP Officers Co-
Located in TMCs
Caltrans TMCs
![Page 6: LTC, Jack R. Widmeyer Transportation Research Conference, Going to San Bernardino A Symposium on Intermodal Transit Stations and Transit-Oriented Design, 11/06/2009, Jeff Gerfen](https://reader033.vdocument.in/reader033/viewer/2022060112/55703b85d8b42a611e8b4f19/html5/thumbnails/6.jpg)
12 Caltrans Districts & 8 CHP Divisions
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12 Caltrans Districts & 8 CHP Divisions
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Roadway Traffic Data Sensors & Display
Video Surveillance Systems
Understanding Traffic Conditions
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Tracking Incidents – CHP CAD + Other Logs
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Changeable Message Signs & HAR (active control)
Ramp Metering Control (potentially active control)
News Media
In-Vehicle Devices
Affecting Traffic
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Changeable Message Signs & HAR (active control)
Ramp Metering Control (potentially active control)
News Media
In-Vehicle Devices
Affecting Traffic
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The Telephone
CHP CAD
Coordinated Diversions
via CMS
Caltrans Incident
Logging
Regional ITS Integration
Coordination Tools & Methods
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Operation Snowflake – Planned Coordination
Diversion
via
Highways
166 & 101
Diversion
via
Highway
58
Closure
AreaX
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Operation Snowflake – Planned Coordination
Utilizes a Well Thought Out Standard Operating
Procedure (SOP)
A Phased Approach
Conditions for Transition Between Phases are
Unambiguous
CMS Messages, Media Faxes, Incident Logging, and
Inter-Jurisdictional Telephone Calls Used to
Coordinate
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Operation Snowflake – Planned Coordination
Utilizes a Well Thought Out Standard Operating
Procedure (SOP)
A Phased Approach
Conditions for Transition Between Phases are
Unambiguous
CMS Messages, Media Faxes, Incident Logging, and
Inter-Jurisdictional Telephone Calls Used to
Coordinate
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I5 Tanker Crash– Well Executed Coordination
X
TANKER CRASH
LOCATION
All Southbound
Lanes of Interstate
5 Blocked
©2009 Google – Map data ©2009 Tele Atlas, INEGI
District 11
District 12 District 8
District 7 Districts Worked
Via Telephone,
Data Sources, &
Shared Imagery
Traffic
Diversions via
CMS Messages
Field Resources
(TMTs) Shared
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Recommendations
Leverage Local Resources Through Coordination
Get on the Phone and Manage Traffic
Share Video & Data Comprehensively
Log Your Incidents Well (and Share)
Don’t Forget the Basics
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Recommendations
Leverage Local Resources Through Coordination
Get on the Phone and Manage Traffic
Share Video & Data Comprehensively
Log Your Incidents Well (and Share)
Don’t Forget the Basics
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Recommendations
Collaborate with Other Jurisdictions
Prepare to Coordinate – Consider an SOP
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Recommendations
Take a Lesson from CHP CAD Trusted
Comprehensive
Timely
Ubiquitous
Design Future Systems to Transparently Share Data,
Information, and Imagery
Design Systems to Share Data Vertically and
Horizontally across Jurisdictional Boundaries
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Recommendations
Take a Lesson from CHP CAD Trusted
Comprehensive
Timely
Ubiquitous
Design Future Systems to Transparently Share Data,
Information, and Imagery
Design Systems to Share Data Vertically and
Horizontally across Jurisdictional Boundaries
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Thanks!