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Emissions impacts of a modal shift: a case study of the Southern California ports region
Emissions impacts of a modal shift: a case study of the Southern California ports region
- Source :
- Journal of International Logistics and Trade. 5:67-81
- Publication Year :
- 2007
- Publisher :
- Emerald, 2007.
-
Abstract
- This paper presents a case study examining the emissions impacts of a modal shift from on-road trucks to rail for goods movement through the Southern California ports region, one of the severest non-attainment areas in terms of national air quality standards. Recent completion of the Alameda Corridor, a 20-mile rail expressway that connects the Ports of Long Beach and Los Angeles with rail mainlines near downtown Los Angeles, provides substantial reserve capacity for port traffic to be diverted from the severely congested road network to the rail line. On-road vehicles emissions were estimated using California mobile-source emissions model, ‘EMFAC’ that incorporates a set of emissions factors for each vehicle type and an estimate of vehicle activity. These emissions were then compared with the emissions generated from trains increased to carry freight volume diverted from truck traffic. On the basis of year 2000 traffic level, it was estimated that for a 20 percent modal shift of port traffic, mobile-source emissions can be reduced up to 0.86 tons for nitrogen oxides and 16 kg for particulate matter per day. The analysis results indicate that encouraging the modal shift for port-related freight traffic should be an integral part of overall air quality improvement initiatives for the study area.
- Subjects :
- Marketing
Truck
Economics and Econometrics
Downtown
Air pollution
Transportation
Management Science and Operations Research
medicine.disease_cause
Port (computer networking)
Management Information Systems
Transport engineering
Travel behavior
medicine
Environmental science
Train
Air quality index
Environmental quality
Subjects
Details
- ISSN :
- 25087592
- Volume :
- 5
- Database :
- OpenAIRE
- Journal :
- Journal of International Logistics and Trade
- Accession number :
- edsair.doi.dedup.....7acfd67c77585ecdba9a961446dfb197
- Full Text :
- https://doi.org/10.24006/jilt.2007.5.2.67