California Air Resources Board 2004 Almanac (web) Placer County Table D-42 Appendix D Sacramento Valley Air Basin Population and VMT Parameter 1980 1985 1990 1995 2000 2005 2010 Population 97900 114900 145000 179000 215200 257300 292500 Avg. Daily VMT/1000 2231 2783 3736 4672 6034 7428 8373