||Per capita motor vehicle ownership (usually measured per
||Less than 250 per 1,000 pop.
||250 to 450
||More than 450
||Per capita annual motor vehicle mileage.
||Less than 4,000 miles (6,500 km)
||4,000 to 8,000 miles (6,500 to 13,000 km)
||More than 8,000 miles (13,000 km)
||Automobile trips as a portion of total commuting trips.
||Less than 50%
||50 to 75%
||More than 75%
|Quality of Transportation Alternatives
||Convenience, speed, comfort, affordability and prestige of
walking, cycling and public transit relative to driving.
||Alternative modes are of competitive quality.
||Alternative modes are somewhat inferior.
||Alternative modes are very inferior.
|Relative Mobility of Non-Drivers
||Mobility of personal travel by non-drivers compared with
||Non-drivers are not severely disadvantaged.
||Non-drivers are moderately disadvantaged.
||Non-drivers are severely disadvantaged.
|Market Distortions Favoring Automobile Use
||Relative advantage provided to automobile transportation
over other modes in planning, funding, tax policy, etc.
||Minimal bias favoring automobile travel.
||Moderate bias favoring automobile travel.
||Significant bias favoring automobile travel.