Skip to main content
UC Berkeley
|
Safe Transportation Research and Education Center
Toggle navigation
SafeTREC
Search Terms
Submit Search
Home
News
SafeTREC Headlines
Publications
2023 SafeTREC Traffic Safety Facts
Research
Automated Vehicles and Safety
Safe Operation of Automated Vehicles at Intersections
Pedestrian and Bicyclist Exposure
California SHS Pedestrian Exposure Model
Expansion Factors
Statistical Support for the Development of the District 1 Active Transportation Census Program
Safe System and Vision Zero
A Framework for the Protective Features of a Safe System
Assessing How Private Beliefs Conflict with Public Action on Safe Systems
Developing a Safe System Approach to Setting Speed Limits
Integrating Systems Thinking Tools into Vision Zero and Safe Systems Approaches
Safe System Training Academy
Structures of Stakeholder Relationships in Making Road Safety Decisions
Urban Freight and Road Safety: Trends and Innovative Strategies
Safety Data Systems
Completing the Picture of Traffic Injuries
Linking Crash and Post-Crash Data
MIRE FDE Data Governance, Data Collection, and Integration
Transportation Safety Management
An Enhanced Systemic Approach to Safety
Data Requirements for Safety Screening
Development and Implementation of Safety Performance Functions
Vulnerable Road User Safety
Bicycle Crash Corridors
CSCRS Clearinghouse for Bicyclist and Pedestrian Safety-Related Data
Pedestrian Crash Hot Spots
Pedestrian Injury/Fatality: Impact of Ethnicity and Low Income
Understanding Micromobility Safety Behavior
Education
Injury Prevention and Control
Traffic Safety and Injury Control
Programs
Center for Pedestrian and Bicyclist Safety (CPBS)
Collaborative Sciences Center for Road Safety (CSCRS)
Community Pedestrian and Bicycle Safety Program (CPBSP)
Community Pedestrian and Bicycle Safety Training Program (CPBST)
Comunidades Activas y Seguras (Active and Safe Communities) Program
Complete Streets Safety Assessments (CSSA)
Global Road Safety
Tribal Road Safety Program
Tribal Road Safety Data Collection Project
Resources
Past Programs
Tools
CA Active Transportation Safety Information Pages (CATSIP)
California Safe Speeds Toolkit
California Safe Speeds Toolkit: Research on Speeds, Speed Limits and Safety
California Safe Speeds Toolkit: Current-Speed-Setting Law
California Safe Speeds Toolkit: Real-World Examples and Self Quiz
California Safe Speeds Toolkit: Next Steps
California Safe Speeds Toolkit: References
California Safe Speeds Toolkit: Acronyms
California Safe Speeds Toolkit: Glossary
Recording of the Safe Speeds Toolkit Webinar
California Traffic Safety Dashboard
Street Story
Transportation Injury Mapping System (TIMS)
About
SafeTREC Directory
Visiting Scholars
SafeTREC Spotlight Series
SafeTREC Task Force and Committee Membership
Work With Us
Donate
Secondary navigation
CATSIP
TIMS
Home
Lee, Joon ho
Lee, Joon ho
Role:
Author
Publications
Quantifying the Performance of Countermeasures for Collision Concentration Related to Ramp/Freeway Mainline Junctions
Lee, Joon Ho; Chan, Ching-Yao; Ragland, David R.
Technical Report,
2009
All publications