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conference paper | April 2026

conference paper | January 2009

G. Lee, S. You, S.G. Ritchie, J. Saphores, M. Sangkapichai and R. Jayakrishnan (2009) “Environmental impacts of a major freight corridor: A study of the I-710 in California”, in Proceedings of the 89th annual meeting of the transportation research board, washington, DC.

Phd Dissertation | March 2026

Phd Dissertation | January 2009

Mana Sangkapichai (2009) Transportation and the environment: Essays on technology, infrastructure, and policy. Ph.D.. University of California, Irvine.

conference paper | March 2026

conference paper | January 2010

Roberto Ayala, Jean-Daniel Saphores, Stephen G. Ritchie, Gunwoo Lee and Mana Sangkapichai (2010) “A preliminary analysis of the environmental impacts of the clean truck program in the alameda corridor, California”, in Proceedings of the 89th annual meeting of the transportation research board, p. 16p.

research report | February 2026

research report | March 2010

Gunwoo Lee, Soyoung (Iris) You, Mana Sangkapichai, Stephen G. Ritchie, Jean-Daniel M Saphores, Oladele Ogunseitan, Roberto Ayala, R. Jayakrishnan and Rodolfo Torres (2010) Assessing the Environmental and Health Impacts of Port-Related Freight Movement in a Major Urban Transportation Corridor. Final Report UCTC-FR-2010-08. Institute of Transportation Studies, Irvine.

conference paper | January 2026

conference paper | October 2009

J. Saphores, M. Sangkapichai, S. Ritchie, G. Lee, I. You and R. Ayala (2009) “An analysis of train emissions and their health impacts in California's alameda corridor”, in Proceedings of INFORMS, san diego, CA.

conference paper | December 2025

conference paper | January 2009

Mana Sangkapichai, Jean-Daniel Saphores, Stephen G. Ritchie, Soyoung You and Gunwoo Lee (2009) “Analysis of PM and NOx train emissions in the alameda corridor, California”, in Proceedings of the 88th annual meeting of the transportation research board, p. 19p.

conference paper | December 2025

conference paper | January 2010

Gunwoo Lee, Mana Sangkapichai, Stephen G. Ritchie, Jean-Daniel Saphores, Oladele Ogunseitan, Roberto Ayala, R. Jayakrishnan and Rodolfo Torres (2010) “Assessing the environmental and health impacts of port-related freight movement in a major urban transportation corridor”, in Proceedings of the 89th annual meeting of the transportation research board, p. 15p.

conference paper | October 2025

conference paper | January 2010

Mana Sangkapichai, Jean-Daniel Saphores, Oladele Ogunseitan, Stephen G. Ritchie and Gunwoo Lee (2010) “An analysis of health impacts from PM and NOx emissions resulting from train operations in the alameda corridor, California”, in Proceedings of the 89th annual meeting of the transportation research board, p. 19p.

published journal article | October 2025

published journal article | January 2010

Soyoung (Iris) You, Gunwoo Lee, Stephen G. Ritchie, Jean-Daniel Saphores, Mana Sangkapichai and Roberto Ayala (2010) “Air pollution impacts of shifting freight from truck to rail at California's San Pedro bay ports”, Transportation Research Record, 2162(1), pp. 25–34.

working paper | October 2025

working paper | September 2008

Mana Sangkapichai, Jean-Daniel Saphores, Stephen G. Ritchie, Soyoung (Iris) You and Gunwoo Lee (2008) An Analysis of PM and NOx Train Emissions in the Alameda Corridor, CA.. Working Paper UCI-ITS-WP-08-4. Institute of Transportation Studies, Irvine.

policy brief | October 2025

policy brief | January 2010

Gunwoo Lee, Soyoung Iris You, Mana Sangkapichai, Stephen G Ritchie, Jean-Daniel Saphores, Oladele Ogunseitan, Roberto Ayala, R Jayakrishnan and Rodolfo Torres (2010) Health impacts of moving freight in and out of the ports of long beach and Los Angeles. Policy Brief UCTC POLICY BRIEF 2010-04. University of California Transportation Center.

working paper | October 2025

working paper | September 2008

Gunwoo Lee, Soyoung Iris You, Stephen G. Ritchie, Jean-Daniel Saphores, Mana Sangkapichai and R. Jayakrishnan (2008) Environmental Impacts of a Major Freight Corridor: A study of the I-710 in California. Working Paper UCI-ITS-WP-08-3. Institute of Transportation Studies, Irvine.

conference paper | October 2025

conference paper | January 2009

M. Sangkapichai, J-D Saphores, S. Ritchie, S. You and G. Lee (2009) “Estimating PM and NOx train emissions in the alameda corridor, California”, in Proceedings of the 88th meeting of the transportation research board, washington D.C.

published journal article | October 2025

published journal article | January 2009

Gunwoo Lee, Soyoung (Iris) You, Stephen G. Ritchie, Jean-Daniel Saphores, Mana Sangkapichai and R. Jayakrishnan (2009) “Environmental impacts of a major freight corridor. A Study of I-710 in California”, Transportation Research Record, 2123(1), pp. 119–128.

published journal article | October 2025

published journal article | December 2008

Mana Sangkapichai and Jean-Daniel Saphores (2008) “Why are Californians interested in hybrid cars?”, Journal of Environmental Planning and Management, 52(1), pp. 79–96.

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