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Historic HPMS Data (Universe) - 1997
Historic Highway Performance Monitoring System universe data for the year 1997 -
Historic HPMS Data (Sample) - 2009
Historic Highway Performance Monitoring System sample data for the year 2009 -
Historic HPMS Data (Universe) - 2005
Historic Highway Performance Monitoring System universe data for the year 2005 -
Historic HPMS Data (Sample) - 1994
Historic Highway Performance Monitoring System sample data for the year 1994 -
Historic HPMS Data (Sample) - 1993
Historic Highway Performance Monitoring System sample data for the year 1993 -
Historic HPMS Data (Universe) - 1988
Historic Highway Performance Monitoring System universe data for the year 1988 -
Historic HPMS Data (Sample) - 2000
Historic Highway Performance Monitoring System sample data for the year 2000 -
Historic HPMS Data (Universe) - 1996
Historic Highway Performance Monitoring System universe data for the year 1996 -
Historic HPMS Data (Sample) - 2002
Historic Highway Performance Monitoring System sample data for the year 2002 -
Historic HPMS Data (Sample) - 2001
Historic Highway Performance Monitoring System sample data for the year 2001 -
Historic HPMS Data (Universe) - 1993
Historic Highway Performance Monitoring System universe data for the year 1993 -
Historic HPMS Data (Sample) - 2009
Historic Highway Performance Monitoring System sample data for the year 2009 -
Historic HPMS Data (Sample) - 1996
Historic Highway Performance Monitoring System sample data for the year 1996 -
Historic HPMS Data (Universe) - 2007
Historic Highway Performance Monitoring System universe data for the year 2007 -
Historic HPMS Data (Universe) - 2008
Historic Highway Performance Monitoring System universe data for the year 2008 -
Historic HPMS Data (Universe) - 1998
Historic Highway Performance Monitoring System universe data for the year 1998 -
Historic HPMS Data (Sample) - 1981
Historic Highway Performance Monitoring System sample data for the year 1980 -
Historic HPMS Data (Universe) - 1995
Historic Highway Performance Monitoring System universe data for the year 1995 -
Historic HPMS Data (Sample) - 1985
Historic Highway Performance Monitoring System sample data for the year 1985 -
Historic HPMS Data (Sample) - 1983
Historic Highway Performance Monitoring System sample data for the year 1983