Professor

EDUCATION

EDUCATION

Ph.D. Civil and Environmental Engineering, University of California, Berkeley

Dissertation: Traffic Interaction in Freeways with Carpool Lanes

Minors: Economics and Public Health

M.S. Civil and Environmental Engineering, University of California, Berkeley

B.S. Civil Engineering, Hanyang University, Seoul, Korea

– Exchange Program, University of New South Wales, Sydney, Australia

RESEARCH INTERESTS

RESEARCH INTERESTS

  • Traffic Flow Theory (Operations and Control)
  • Intelligent Transportation System
  • Congestion Pricing (HOV/HOT Lane)
  • Transportation for Healthy/Safe Communities
  • Sustainable Transportation
  • Transportation Energy Policy
RESEARCH/PAPER AWARDS

RESEARCH/PAPER AWARDS

50th Transportation Research Forum Graduate Student Best Paper Award
A Dynamic Congestion Pricing Strategy for High-Occupancy Toll (HOT) Lanes  [Mar 2009]

Excellence in Applied HOV Research at the 13th International HOV/HOT Conferenceby Committee of Transportation Research Board of the National Academies on High-Occupancy Vehicle (HOV) Systems [Sep 2008]

Institute of Transportation Engineers Student Paper Award (Grand Prize: 1st Place Award)
Suburban Living: Public Transportation for Environmentally Sustainable and Healthy Communities [Apr2008]

Korean Transportation Association in America Travel Grant Award [Jan 2007, Jan 2008, Jan2009, Jan2011]

REFEREED JOURNAL PUBLICATIONS

REFEREED JOURNAL PUBLICATIONS

(SCI(E): Science Citation Index Expanded; SSCI: Social Science Citation Index; IF: Impact Factor)

1. Shim, J., Jang, K., Park, S., Yeo, H., Lee, H and Kwon, O. (Accepted) Evaluating safety performance of climbing lane configuration in Korean expressways, Transportation Research Record: the Journal of Transportation Research Board SCI IF = 0.556

2. Park, D., Deakin, E. and Jang, K. (2015) Can Good Walkability Expand the Size of TODs? Exploring the Concept of Acceptable Walking Distance and Critical Walkability Zone for Access Trips to the Station, Transportation Research Record: the Journal of Transportation Research Board SCI IF = 0.556

3. Park, S., Jang, K., Kim, D. and Kang, S. (2015) Spatial Evaluation of Roadway Infrastructure for Safety Improvement on Expressways. Scientific Iranica Transactions B: Mechanical Engineering SCIE IF = 1.025

4. Shim, J., Park, S., Chung, S. and Jang, K. (2015) Effects of Enforcement Avoidance Behavior near Automated Speed Enforcement Locations. Accident Analysis and Prevention. Vol. 80, pp. 57-66. http://doi:10.1016/j.aap.2015.03.037 SSCI (Corresponding Author) IF = 2.070

5. Jang, K., Kim, H. and Jang, I. (2015) Traffic Signal Optimization for Oversaturated Urban Network: Queue Growth Equalization, IEEE Transactions on Intelligent Transportation System. Vol. 16(4), pp. 2121 – 2128. http://doi:10.1109/TITS.2015.2398896 SCI IF = 2.377

6. Park, M., Jang, K., Lee, J. and Yeo, H. (2015) Logistic Regression Model for Discretionary Lane-Changing under Congested Traffic, Transportmetrica A: Transport Science. Vol. 11(4), pp.333-344. http://dx.doi.org/10.1080/23249935.2014.994686 SCIE IF = 1.333

7. Oh, S., Byon, Y-J., Jang, K., and Yeo, H. (2015) Short-term Travel-time Prediction on Highway: A Review on Data-driven Approach, Transport Reviews. Vol. 35(1), pp.4-32. http://dx.doi.org/10.1080/01441647.2014.992496 SSCI IF = 2.903

8. Yeo, J., Park, S. and Jang, K. (2015) Effects of Urban Sprawl and Vehicle Miles Traveled on Traffic Fatalities, Traffic Injury Prevention. Vol. 16(4), pp. 397-403. DOI:10.1080/15389588.2014.948616 SSCI (Corresponding Author) IF = 1.413

9. Kwon, O., Yoon, Y., and Jang, K. (2015) Evaluating the Effectiveness of the Law Banning Handheld Cellphone Use While Driving, Safety Science. Vol. 70, pp.50-57. DOI:10.1016/j.ssci.2014.04.014 SCIE IF = 1.831

10. Jang, K., Song, M., Choi, K. and Kim, D., (2014) A Bi-level Framework for Pricing of High-Occupancy Toll Lanes, Transport. Vol. 29(3), pp. 317-325. DOI:10.3846/16484142.2014.952248 SCIE IF = 0.553

11. Jang, K., Chung, K. and Yeo, H., (2014) A Dynamic Pricing Strategy for High-Occupancy Toll (HOT) Lanes, Transportation Research Part A. Vol. 67, pp. 69-80. DOI: 10.1016/j.tra.2014.05.009 SCI/SSCI IF = 2.789

12. Jung, S., Jang, K., Yoon, Y. and Kang, S. (2014) Contributing Factors to Vehicle to Vehicle Crash Frequency and Severity under Rainfall, Journal of Safety Research. Vol. 50, pp.1-10. DOI:10.1016/j.jsr.2014.01.001 SSCI IF = 1.870

13. Jang, K., Kim, D. and Chung, S. (2014) Heterogeneous Travelers’ Perception in Green House Gas (GHG) Tax, International Journal of Sustainable Transportation. Vol. 8(4), pp.281-296. DOI:10.1080/15568318.2012.665981 SSCI IF = 2.548

14. Jang, K., Park, S., Kang, S., Song, K.H., Kang, S. and Chung, S. (2013) Evaluation of pedestrian safety: Pedestrian Crash Hot Spots and Risk Factors for Injury Severity, Transportation Research Record: Journal of the Transportation Research Board. No. 2393, pp. 104-116. DOI: 10.3141/2393-12 SCI IF = 0.556

15. Jang, K., Kang, S., Seo, J. and Chan, C. (2013) Cross-Section Designs for the Safety Performance of Buffer-Separated High-Occupancy Vehicle (HOV) lanes, American Society of Civil Engineering (ASCE) Journal of Transportation Engineering. Vol.139 (3), pp.247-254. DOI: 10.1061/(ASCE)TE.1943-5436.0000496 SCIE IF = 0.797

16. Yeo, H., Jang, K., Skabardonis, A. and Kang, S. (2013) Impact of Traffic States on Freeway Crash Involvement Rates, Accident Analysis and Prevention. Vol. 50, pp.713-723. DOI: 10.1016/j.aap.2012.06.023 SSCI IF = 2.070

17. Park, S., Jang, K., Park, S., Kim, D. and Chon, K. (2012) Analysis of Injury Severity in Traffic Crashes: A Case Study of Korean Expressways, Korean Society of Civil Engineers (KSCE) Journal of Civil Engineering. Vol.16 (7), pp. 1280-1288. DOI: 10.1007/s12205-012-1527-3 SCIE (Corresponding Author) IF = 0.484

18. Jang, K. and Cassidy, M.J. (2012) Dual Influences on Vehicle Speeds in Special-Use Lanes and Critique of US Regulation, Transportation Research Part A. Vol. 46 (7), pp. 1108-1123. DOI: 10.1016/j.tra.2012.01.008 SCI/SSCI IF = 2.789
‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒ Publications at KAIST hereafter ‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒‒

19. Kang, S., Spiller, M., Jang, K., Bigham, J.M. and Seo, J. (2012) Spatiotemporal Analysis of Macroscopic Patterns of Urbanization and Traffic Safety: A Case Study in Sacramento County, California, Transportation Research Record: Journal of the Transportation Research Board. No. 2318, pp. 45-51. DOI: 10.3141/2318-06 SCI IF = 0.556

20. Jang, K., Oum, S. and Chan, C. (2012) Traffic Characteristics of High-Occupancy Vehicle (HOV) Lanes: Comparison of Contiguous and Buffer-Separated High-Occupancy Vehicle (HOV) Lanes, Transportation Research Record: Journal of the Transportation Research Board. No. 2278, pp. 180-193. DOI: 10.3141/2278-20 SCI IF = 0.556

21. Cassidy, M.J., Jang, K. and Daganzo, C.F. (2011) Macroscopic Fundamental Diagrams for Freeway Networks: Theory and Observation, Transportation Research Record: Journal of the Transportation Research Board, Vol. 2260, pp.8-15. DOI: 10.3141/2260-02 SCI (Corresponding Author) IF = 0.556

22. Wu, G., Du, Y., Jang, K., Chan, C. and Boriboonsomsin, K. (2011) Comparison of Operational Performance between Different Types of HOV Facilities in California: Continuous-Access vs. Limited-Access, Transportation Research Record: Journal of the Transportation Research Board, No. 2229, pp.93-101. DOI: 10.3141/2229-11 SCI IF = 0.556

23. Chung, K., Jang, K., Madanat, S. and Washington, S. (2011) Proactive Detection of High Collision Concentration Locations, Transportation Research Part A, Vol. 45 (9), pp. 927-934. DOI: 10.1016/j.tra.2011.04.007 SCI/SSCI (Corresponding Author) IF = 2.789
(Also in the 19th Symposium on Transportation and Traffic Theory 2011: Berkeley, edited by M.J. Cassidy and A. Skabardonis: Elsevier)

24. Cassidy, M.J., Jang, K. and Daganzo, C.F. (2010) The Smoothing Effect of Carpool Lanes on Freeway Bottlenecks, Transportation Research Part A, Vol. 44 (2), pp. 65-75. DOI: 10.1016/j.tra.2009.11.002 SCI/SSCI IF = 2.789

25. Cassidy, M.J., Daganzo, C.F., Jang, K. and Chung, K. (2009) Spatiotemporal Effects of Segregating Different Vehicle Classes on Separate Lanes, In the 18th Symposium on Transportation and Traffic Theory 2009: Golden Jubilee, edited by W. H. K. Lam., S. C. Wong and H. K. Lo: Springer US. DOI: 10.1007/978-1-4419-0820-9_4

26. Jang, K., Chung, K., Ragland, D.R. and Chan, C. (2009) Safety Performance of High-Occupancy Vehicle Facilities: Evaluation of HOV Lane Configurations in California, Transportation Research Record: Journal of the Transportation Research Board, No. 2099, pp.132-140. DOI: 10.3141/2099-15 SCI IF = 0.556

PUBLICATIONS UNDER REVIEW

PUBLICATIONS UNDER REVIEW

1. Ko, Y., Jang, K. and Radke, D., Toward a solar city: Trade-offs between on-site solar energy potential and vehicle energy consumption in San Francisco, California, Submitted to International Journal of Sustainable Transportation. (1st revised and resubmitted)

2. Byun, J., Park, S. and Jang, K., Rebound Effect or Induced Demand? Analyzing the Compound Dual Effects on VMT in the U.S., Submitted to Transport Policy (Corresponding Author)

3. Baek, J., Hableel, E., Byon, Y-J., Wong, D., Jang, K. and Yeo, H. How to Protect ADS-B: Confidentiality Framework and Efficient Realization Based on Staged Identity-Based Encryption, Submitted to IEEE Transactions on Intelligent Transportation System (1st revised and resubmitted)

4. Kim, H., Kim, Y. and Jang, K., Systematic Relation of Instantaneous Speed and Actual Travel Speeds. IEEE Transactions on Intelligent Transportation System SCI (Corresponding Author) (1st revised and resubmitted)

WORKING PAPERS

WORKING PAPERS

1. Jang, K., Kim, S., Byun, J. and Jang, I., Case Study of Queue Growth Equity Method for Urban Traffic Signal Optimization

2. Kim, S., Park, S. and Jang, K., Walking Environment and Pedestrian Volume. (Corresponding Author)

3. Yeo, J., Jang, K. and Jang, K., Influence of Smartphone Addiction on Smartphone Use While Driving. (Corresponding Author)

4. Kim, S., Jang, K., Jung, C. and Choi, M., Older Drivers in Korea: A Synthetic Review and Research Agenda

5. Shim, J., Park, S., Chung, S. and Jang, K., Effectiveness of Section Automated Speed Enforcement System. (Corresponding Author)

6. Kim, Y., Jang, K., Kang, W. and Park, M. Hybrid Algorithm for Extending Travel Speed Prediction Horizon on Urban Expressways, Submitted to Transportation Research Part C: Emerging Technologies

REFEREED CONFERENCE PROCEEDINGS

REFEREED CONFERENCE PROCEEDINGS

1. Schorr, J.P., Hamdar, S.H., Kang, S., Jang, K. and Kachouch, H. (2016) From Structural Equation Modeling to Macroscopic Fundamental Diagrams: Investigating the Impact of Road Segments Safety on Network Level Efficiency, Proceedings of Road Safety on Five Continents, Rio de Janeiro, Brazil.

2. Jang, K., Kim, S., Lee, H and Cho, J. (2016) Effects of Pedestrian Volume on Per-Pedestrian Crash Rate and Severe Injury Probability, Proceedings of Transportation Research Board 96th Annual Meeting, Washington D.C.

3. Shim, J., Jang, K., Park, S., Yeo, H., Lee, H and Kwon, O. (2016) Evaluating safety performance of climbing lane configuration in Korean expressways, Proceedings of Transportation Research Board 96th Annual Meeting, Washington D.C.

4. Park, D., Deakin, E. and Jang, K. (2015) Can good walkability expand the size of TODs? Exploring the concept of acceptable walking distance and critical walkability zone for access trips to the station, Proceedings of Transportation Research Board 94th Annual Meeting, Washington D.C.

5. Tak, S., Kim, S., Jang, K., and Yeo, H. (2014) Real-Time Travel Time Prediction Using Multi-Level k-Nearest Neighbor Algorithm and Data Fusion Method, Proceedings of Computing in Civil and Building Engineering. pp. 1861-1868.

6. Kim, H., Kim, Y. and Jang, K. (2014) Evaluation of Difference between Instantaneous and Actual Travel Speeds: Theory and Observation, Proceedings of the International Conference on Computational & Experimental Engineering and Sciences (ICCES’14), Changwon, Korea.

7. Jang, K., Shim, J., Chung, S. and Park, S. (2014) Effectiveness of Managed Lanes on Korean Expressways, Proceedings of Transportation Research Board 93rd Annual Meeting, Washington D.C.

8. Kim, H., Kim, S., Park, S. and Jang, K. (2013) Assessment of Travel Time Estimates based on Different Vehicle Speed Data: Spot Speed vs. Sampled Journey Speed in South Korean expressways, Proceedings of the 10th International Conference of Eastern Asia Society for Transportation Studies, Taipei, Taiwan. (Received Outstanding Presentation Award)

9. Jang, K., Chan, C-Y. and Du, Y. (2013) Operational performance of High-Occupancy Vehicle (HOV) facilities: evaluation of HOV lanes in California, Proceedings of Transportation Research Board 92th Annual Meeting, Washington D.C.
10. Jang, K., Park, S., Kang, S., Song, K.H. and Chung, S. (2013) Evaluation of pedestrian safety: geographical identification of pedestrian crash hotspots and evaluating risk factors for injury severity, Proceedings of Transportation Research Board 92th Annual Meeting, Washington D.C.

11. Du, Y., Chan, C-Y. and Jang, K. (2013) Demand shifts and observed effects on traffic operation as a result of congestion pricing implementation on the San Francisco Bay Bridge, Proceedings of Transportation Research Board 92th Annual Meeting, Washington D.C.

12. Jung, S., Jang, K., Yoon, Y. and Kang, S. (2013) Modeling highway safety in rainy weather influential factor impacts on vehicle to vehicle crash frequency and severity, Proceedings of Transportation Research Board 92th Annual Meeting, Washington D.C.

13. Jang, K., Suh, J., Park, M. and Yeo, H. (2012) Synchronized Speed Reductions in Contiguous High-Occupancy Vehicle Lanes, 25th KKCNN Symposium on Civil Engineering, Busan 2012.

14. Park, M., Jang, K. and Yeo, H. (2012) Relation between Discretionary Lane-change and Traffic Conditions, LATSIS, 2012.

15. Jang, K., Oum, S. and Chan, C. (2012) Traffic Characteristics of High-Occupancy Vehicle (HOV) Lanes: Comparison of Contiguous and Buffer-Separated High-Occupancy Vehicle (HOV) Lanes, Proceedings of Transportation Research Board 91th Annual Meeting, Washington D.C.

16. Kim, K. and Jang, K. (2012) Spatiotemporal Clustering of Freeway Crashes, Proceedings of Transportation Research Board 91th Annual Meeting, Washington D.C.

17. Du, Y., Wu, G., Jang, K. and Chan, C. (2012) Empirical Evaluation of the Impacts of High-Occupancy Vehicle (HOV) Lane Collisions on Different Types of Lane Configuration in California, Proceedings of Transportation Research Board 91th Annual Meeting, Washington D.C.

18. Jang, K., Kang, S., Seo, J. and Chan, C. (2011) Cross-Section Designs for the Safety Performance of Buffer-Separated High-Occupancy Vehicle (HOV) Lanes, Proceedings of Transportation Research Board 90th Annual Meeting, Washington D.C.

19. Cassidy, M.J., Jang, K. and Daganzo, C.F. (2011) Macroscopic Fundamental Diagrams for Freeway Networks: Theory and Observation, Proceedings of Transportation Research Board 90th Annual Meeting, Washington D.C.

20. Du, Y., Jang, K. and Chan, C. (2011) Demand Shifts and Their Effects on Traffic Congestion due to Toll Changes on Bridges in San Francisco Area, Proceedings of Transportation Research Board 90th Annual Meeting, Washington D.C.

21. Wang, H., Jang, K., Chan, C. and Shi, Z. (2011) Multi-level Mixed-effects Regression Model for Truck Collisions, Proceedings of Transportation Research Board 90th Annual Meeting, Washington D.C.

22. Wu, G., Du, Y., Jang, K., Chan, C. and Boriboonsomsin, K. (2011) Comparison of Operational Performance between Different Types of HOV Facilities in California: Continuous-Access vs. Limited-Access, Proceedings of Transportation Research Board 90th Annual Meeting, Washington D.C.

23. Chung, K., Jang, K., Oum, S., Kim, Y. and Song, K. (2011) Investigation of Attributes of Kinematic Waves Preceding Traffic Collisions, Proceedings of Transportation Research Board 90th Annual Meeting, Washington D.C.

24. Kim, D., Jang, K., Chon, K. and Lee, S. (2010) Impacts of Green House Gas (GHG) Tax on Reducing Green House Gas Emissions: A Case Study in Seoul, Korea, 19th Intelligent Transportation Systems (ITS) World Congress, Busan, Korea.

25. Wang, H., Jang, K. and Chan, C. (2010) Analysis and Multi-Level Modeling of Truck Freight Demand, Strategic Highway Research Program 2 (SHRP2) Freight Modeling and Data Symposium, Washington D.C.

26. Jang, K. and Chung, K. (2010) A Dynamic Congestion Pricing Strategy for High-Occupancy Toll Lanes, Proceedings of Transportation Research Board 89th Annual Meeting, Washington D.C.

27. Jang, K., Park, S., Chung, S. and Song. K. (2010) Influential Factors on Level of Injury in Pedestrian Crashes: Applications of Ordered Probit Model with Robust Standard Errors, Proceedings of Transportation Research Board 89th Annual Meeting, Washington D.C.

28. Yeo, H., Jang, K. and Skabardonis, A. (2010) Impact of Traffic States on Freeway Collision Frequency, Proceedings of Transportation Research Board 89th Annual Meeting, Washington D.C.

29. Bigham, J.M., Jang, K., Song, K., Park, S. and Ragland, D.R. (2009) Evaluation of Traffic Safety in Sprawl and Urban Growth in California Metropolitan Areas, 137th American Public Health Association Annual Meeting & Exposition, Philadelphia, PA.

30. Yeo, H., Jang, K. and Skabardonis, A. (2009) Impact of Traffic States on Freeway Collision Probabilities, 2nd International Symposium on Freeway and Tollway Operations, Honolulu, Hawaii.

31. Cassidy, M.J., Jang, K. and Daganzo, C.F. (2009) Smoothing Effect on Freeway Bottlenecks: Experimental Verification and Theoretical Implications, Proceedings of Transportation Research Board 88th Annual Meeting, Washington D.C.

32. Jang, K., Chung, K., Ragland, D.R. and Chan, C. (2009) Safety Performance of High-Occupancy Vehicle Facilities: Evaluation of HOV Lane Configurations in California, Proceedings of Transportation Research Board 88th Annual Meeting, Washington D.C.

33. Jang, K. and Chan, C. (2009) High-Occupancy Vehicle Lane Configurations and Safety Performance of California Freeways: Investigation of Differential Distributions and Statistical Analysis, Proceedings of Transportation Research Board 88th Annual Meeting, Washington D.C.

34. Jang, K., Chung, K., Ragland, D.R. and Chan, C. (2008) Comparison of Collisions on HOV Facilities with Limited and Continuous Access during Peak Hours, Proceedings of Transportation Research Board 87th Annual Meeting, Washington D.C.

35. Chung, K., Chan, C., Jang, K., Ragland, D.R. and Kim, Y. (2007) HOV Lane Configuration and Collision Distribution on Freeway Lanes – an Investigation of Historical Collision Data in California, Proceedings of Transportation Research Board 86th Annual Meeting, Washington D.C.

OTHERS

TECHNICAL REPORTS

Jang, K. and Cassidy, M.J. (2011) Dual Influences on Vehicle Speeds in Special-Use Lanes and Policy Implications, UCB-ITS-VWP-2011-4,Institute of Transportation Studies, University of California, Berkeley, CA.

Jang, K., Ragland, D. and Chan, C. (2008) A Comparative Safety Study of Limited versus Continuous Access High-Occupancy Vehicle (HOV) Facilities, Institute of Transportation Studies, University of California, Berkeley, CA, Submitted to California Department of Transportation.

Lee, J., Jang, K., Ragland, D.R. and Chan, C. (2008) Quantifying the Performance of Countermeasures for Collision Concentrations Related to Ramp/Freeway Mainline Junctions, Institute of Transportation Studies, University of California, Berkeley, CA,Submitted to California Department of Transportation.

Banerjee, I., Lee, J., Jang, K., Pande, S. and Ragland, D.R. (2008) Rest Areas, Reducing Accidents Involving Driver Fatigue, Institute of Transportation Studies, University of California, Berkeley, CA,Submitted to California Department of Transportation.

Cassidy, M.J., Daganzo, C.F., Jang, K. and Chung, K. (2006) Empirical Reassessment of Traffic Operations: Freeway Bottlenecks and the Case for HOV Lanes, UCB-ITS-RR2006-6,Institute of Transportation Studies, University of California, Berkeley, CA.

OTHER PRESENTATIONS

Traffic Control Strategies to Induce the Smoothing Effect on Freeway Bottlenecks

– Poster Presentation, 2010 University of California Transportation Center (UCTC)Student Conference

Influences of Sprawling Development Patterns on Traffic Safety

– Poster Presentation, 2010 University of California Transportation Center (UCTC)Student Conference

Design for Safety – Buffer-Separated High-Occupancy/Toll Lanes

– Invited Presentation, Hanyang University

Mesoscopic Fundamental Diagram for Freeway

– Invited Presentation, Seoul National University

Heterogeneous Travelers’ perception in Green House Gas Tax

– Invited Presentation, Korea Advanced Institute of Science and Technology (KAIST)

A Comparative Safety Study of Limited versus Continuous Access High-Occupancy Vehicle (HOV) Facilities

– Invited Presentation, High-Occupancy Vehicle (HOV) Systems Subcommittee Meeting

Dynamic Congestion Pricing for High-Occupancy Toll (HOT) Lanes based on Heterogeneous Travelers’ Value of Time

– Poster Presentation, 2008 California University Transportation Centers (UTC) -Partners for Advances Transit and Highway (PATH) Conference

Comparison of Collisions on HOV Facilities with Limited and Continuous Access during Peak Hours

– Poster Presentation, American Association of State Highway and Transportation Officials (AASHTO) Subcommittee on Systems Operations and Management

MEDIA COVERAGE

Surface Transportation Innovations, New data on separating managed lanes from GP lanes

San Francisco Chronicle, Sacramento keeps cars idling as carpool lanes fail

Smart Planet, Study finds that banning hybrids from HOV lanes increases traffic

PLANETIZEN, UC Researchers conclude it was a mistake to end hybrid HOV privilege

Government Technology, Kicking hybrids from carpool lanes slows traffic

IBTimesUK, Traffic slows in California as hybrids get the boot

89.3KPCC, Should hybrids be readmitted to the carpool lane?

USA Today, Study: Booting solo hybrids out of carpool lanes jams freeways

The New York Times, Ban hybrids from the fast lane, and everyone slows down

NBC Bay Area, Hybrids blamed for traffic trouble

NBC LA, Study claims ban on hybrids in HOV lanes slows freeway: Drivers say more cars are now clogging regular lanes

The Sacramento Bee, Booting hybrids from carpool lanes slows everyone down, study says

The Berkeleyan, Carpool change backfires

KCRA, Study: Kicking hybrids from carpool lanes slows traffic

Science Blog, Kicking hybrids out of carpool lanes backfires, slowing traffic for all

The Wall Street Journal, Kicking hybrid cars out of the fast lane: California stops letting solo hybrid drivers in the carpool lane, boosting other technologies; will other States follow?

Mercury News, Roadshow: Booting hybrids owners out of diamond lanes may be slowing carpoolers

Money & Company, Kicking hybrids from carpool lanes slows everyone down

KQED News, Should California put hybrids back in the carpool lane

CBS San Francisco, Study finds end of hybrid carpool lane benefit backing up traffic

ABC7, KGO-TV San Francisco, Kicking hybrids out of carpool lanes slows down traffic

San Francisco Business Times, Banning hybrids from carpool lanes slowed traffic for everyone

USC Neon Tommy Annenberg Digital News, Hybrids leave carpool lanes, traffic increases

San Francisco Chronicle, Booting hybrids from carpool lanes backfires

UC Berkeley News Center, Kicking hybrids out of carpool lanes backfires, slowing traffic for all

Miller-McCune, Making the case for carpool lanes: Research indicates that even underused carpool lanes have a smoothing effect on freeway traffic

TOLLROADnews, Common HOT lane access/egress unsafe – study of accident rates

Los Angeles Times, Carpool lanes on 55 to get more open access: Drivers will be able to go in and out of the lanes at any time from the 91 freeway to 17th street in Santa Ana.

Los Angeles Times, Opening a carpool lanes may be safer: easing access results in fewer and less severe collisions, a study finds

PROFESSIONAL ACTIVITIES

Journal Referee

– Transportation Research Record: Journal of the Transportation Research Board
Statistical Methodology and Statistical Computer Software Committee

– Energies

– 19th International Symposium of Transportation and Traffic Theory

– IEEE Transactionson Intelligent Transportation System

– International Journal of Sustainable Transportation

– KSCE Journal of Civil Engineering

– Transportation Research Part A: Policy and Practice

– Traffic Injury Prevention

Committee Member

– Transportation Research Board: High-Occupancy Vehicle (HOV), High-Occupancy Toll (HOT), and Managed Lanes Research Subcommittee