Assessing Air Quality Impacts of Managed Lanes

Stuart, Amy; Lin, Pei-Sung; Lee, Chanyoung; Yu, Haofei; Chen, Hongyun; National Center for Transit Research (U.S.); Florida. Dept. of Transportation; University of South Florida. Center for Urban Transportation Research

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Assessing Air Quality Impacts of Managed Lanes

2010-12-01
By Stuart, Amy ; Lin, Pei-Sung ; Lee, Chanyoung ; ...

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English

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Creators:

Stuart, Amy ; Lin, Pei-Sung ; Lee, Chanyoung ; Yu, Haofei ; Chen, Hongyun

Stuart, Amy ; Lin, Pei-Sung ; Lee, Chanyoung ; Yu, Haofei ; Chen, Hongyun Less -
Corporate Creators:

National Center for Transit Research (U.S.) ; Florida. Dept. of Transportation ; University of South Florida. Center for Urban Transportation Research

National Center for Transit Research (U.S.) ; Florida. Dept. of Transportation ; University of South Florida. Center for Urban Transportation Research Less -
Subject/TRT Terms:

[+]

Air Pollution Air Quality Environmental Impacts High Occupancy Toll Lanes HOT Lanes Managed Lanes Research Hub Transit Buses
Publication/ Report Number:

FDOT-BDK85-TWO #977-11
Resource Type:

Research Paper
Geographical Coverage:

Florida ; United States

Florida ; United States Less -
TRIS Online Accession Number:

01334227
OCLC Number:

701111779
Edition:

Final Report; 04/14/2009 ¿ 12/16/2010
Corporate Publisher:

National Center for Transit Research (U.S.)
NTL Classification:

NTL-ENERGY AND ENVIRONMENT-Air Quality;NTL-ENERGY AND ENVIRONMENT-ENERGY AND ENVIRONMENT;NTL-ENERGY AND ENVIRONMENT-Environment Impacts;
Abstract:

Impacts on transit bus performance and air quality were investigated for a case study high-occupancy toll (HOT) lane project on a corridor of I-95 near Miami. Trends in air pollutant concentration monitoring data in the study area first were analyzed. Traffic movement prior to and after implementation of the HOT lanes was simulated using corridor microsimulation (CORSIM). Emissions of carbon monoxide, nitrogen oxides, particulate matter, hydrocarbons, and benzene were estimated using MOBILE6.2. Finally, changes in ambient pollutant concentrations were estimated using AERMOD dispersion simulations. Results indicate decreased congestion on the corridor due to the HOT lane implementation, particularly for the northbound direction during the afternoon peak hours. Specifically, bus travel times were reduced by nine minutes, on average, during these hours. Emissions results were mixed, with small estimated increases for CO, NOx, PM10, and benzene and small decreases for HCs. Slightly higher ambient concentrations were found in most of the study area for the pollutants modeled (CO, NOx, and benzene), with the largest increases near the corridor. Overall, changes in both emissions and concentrations were small, indicating small impacts of the managed lane project on air quality. An additional outcome was the identification of factors contributing to uncertainty in the emissions estimation.
Format:

PDF
Funding:

FDOT BDK85 TWO #977-11
Collection(s):

University Transportation Centers US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:9aced4689b56fc8c1feb9a67c6867b3dd4fe4cdb32c592e4589ed51fcfca13b0
Download URL:

https://rosap.ntl.bts.gov/view/dot/18678/dot_18678_DS1.pdf
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Assessing Air Quality Impacts of Managed Lanes

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