Transportation

VSI experience with transportation-related projects has included research projects funded by the National Science Foundation for the development of a model for estimating ambient concentrations of carbon monoxide at intersections; the preparation of air quality analyses for Environmental Assessments and Environmental Impact Statements for various roadways in the United States; and the critique of documents submitted to the Arizona Department of Transportation (ADOT) Environmental Planning Section/Arizona Attorney General's Office.VSI has extensive experience in the utilization of the Environmental Protection Agency models recommended for estimating impacts from roadways and has worked closely with the ADOT Planning Section on various projects in Arizona.

Transportation-related air quality projects:

  • Bell Road; Phoenix, AZ
  • Cordes Junction Interchange; Cordes Junction, AZ
  • Dobson/Elliot Road Intersection; Chandler, AZ
  • Document Review: Dr.Parizek's CO Modeling; Phoenix, AZ
  • Elliot/Alma School Road Intersection; Chandler, AZ
  • Gilbert Road: McDowell Road to SR87;Maricopa County
  • I-10 Auxiliary Lanes: 59th Ave to 91st Ave; Phoenix, AZ
  • I-10:Maricopa Road T.I. to Jct I-18; Maricopa and Pinal Counties
  • I-17 Auxiliary Lanes: Peoria to Greenway Road; Phoenix, AZ
  • I-17/Bethany Home Road Interchange; Phoenix, AZ
  • I-17/Camelback Road Interchange; Phoenix, AZ
  • I-17/Glendale Avenue Interchange; Phoenix, AZ
  • I-17/Greenway T.I.; Phoenix, AZ
  • I-17: Widening: SR101L T.I. to New River T.I.; Maricopa County
  • Maricopa Road; Maricopa, AZ
  • Mariposa Road; Nogales, AZ
  • Park and Ride Facility: 40th Street/Pecos Road; Phoenix, AZ
  • Park and Ride Facility: SR51/Bell Road; Phoenix, AZ
  • Pioneer Parkway; Prescott, AZ
  • Price Road; Phoenix, AZ
  • Red Mountain Freeway (Country Club to US60); Phoenix, AZ
  • Rio Verde Extension; Phoenix, AZ
  • Saddle Road; Island of Hawaii
  • Southeast Loop; Phoenix, AZ
  • SR260; Payson, AZ
  • SR73; White River, AZ
  • SR87; Winslow, AZ
  • State Route 264; Window Rock, AZ
  • Tonto Natural Bridge State Park, AZ
  • US 60; Pinal County, AZ
  • US 80/US 66; Nutrioso, AZ
  • US 95; Yuma, AZ
  • US60/Bethany Home Road/51st Ave T.I.; Phoenix, AZ
  • US60/Northern Ave/75th Ave T.I.; Peoria, AZ
  • US60/Olive Avenue/67th Ave T.I.; Glendale AZ
  • US60:Florence Junction to SR177; Pinal County
  • US89: Antelope Hills to US160; Coconino County
  • Williamson Valley Road/Iron Springs Road; Prescott, AZ
  • 91st Avenue Ramps to Agua Fria Freeway (101L); Peoria, AZ

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