Data Dictionary

Column Type Label Description
year numeric

Year
county_id numeric

County 5-digit Federal Information Processing Standard (FIPS) Code identifier
county_name text

County name
time_of_day text

Time of day: - 24 hours - Evening (3-7 PM) - Midday (10 AM-3 PM) - Morning (6-10 AM) - Overnight (7 PM-6 AM)
highway_pti numeric

Highway Planning Time Index (PTI)
local_pti numeric

Local road PTI