Appendix D "Trinity County, North Coast" Table D-34 Parameter 1980 1985 1990 1995 2000 2005 2010 2015 2020 Population 12000 12800 13025 13477 12979 13969 15172 16704 18236 Avg. Daily VMT/1000 295 319 426 399 393 470 506 586 689