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CMP Performance Measures

Performance Measure #3

Performance Measure #3

Performance Measure #3

Indicator: Daily Vehicle Miles Traveled (VMT) per capita

Is the number of vehicle miles traveled annually decreasing per capita?

Notes: The data source is the Federal Highway Administration (FHWA) Highway Statistics which are updated annually.  In 2009 the daily VMT per capita was 24.5 and there as a slight decrease to 24.3 in 2010.  2011 data is expected to be available at the end of 2012 and the Memphis MPO will update the performance measure indicator as the data becomes available.

Performance Measure #4

Performance Measure #4

Indicator: Ozone Parts Per Million (PPM)

Are motor vehicle emissions decreasing per capita?

ozone readings chart

Notes: Ozone is created by a chemical reaction between Nitrogen Oxides (NO) and Volatile Organic Compounds (VOC).  NO and VOC emissions occur from multiple sources including aircraft, trains, boats, lawnmowers, cars, trucks, and manufacturing facilities.  In 2006 in Shelby County, vehicle emissions (cars and trucks) counted for 25% of VOC and 56% of NO.  This number is projected to decrease to 12% and 28% respectively by the year 2021. The data source is the Shelby County Health Department.

Performance Measure #5

Performance Measure #5

Performance Measure #5

Indicator: Total Number of Crashes

Is the number of traffic crashes decreasing?

Number of Crashes chart

Notes: The period data sets are not to be considered final as crash reports may continually be reported into the system for an extended time frame.  Tennessee's crash data is obtained through the Tennessee Integrated Traffic Analysis Network (TITAN) and Mississippi's crash data is reported through MDOT.  The county-wide crash data will be updated on a quarterly basis.


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Memphis, TN 38103
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