| Month |
| Year |
| Adjusted Average Daily Traffic |
| Station Number |
| Route |
| Location |
| Carter County Traffic Counts |
| 4/14/06 |
| SR-400 |
| BRISTOL HWY BETWEEN MANNING & OLD WATAUGA RIVER |
| 000066 |
| -0.36 |
| Growth Factor |
| 08 |
| 1985 |
| 11,191 |
| 07 |
| 1986 |
| 13,590 |
| 06 |
| 1987 |
| 12,580 |
| 08 |
| 1988 |
| 12,580 |
| 08 |
| 1989 |
| 12,480 |
| 09 |
| 1990 |
| 11,250 |
| 10 |
| 1991 |
| 12,956 |
| 10 |
| 1992 |
| 12,679 |
| 10 |
| 1993 |
| 12,850 |
| 11 |
| 1994 |
| 12,525 |
| 12 |
| 1995 |
| 11,893 |
| 11 |
| 1996 |
| 12,618 |
| 07 |
| 1997 |
| 12,910 |
| 08 |
| 1998 |
| 11,939 |
| 11 |
| 1999 |
| 12,403 |
| 10 |
| 2000 |
| 11,894 |
| 10 |
| 2001 |
| 11,419 |
| 10 |
| 10 |
| 10 |
| 10 |
| 2002 |
| 2003 |
| 2004 |
| 2005 |
| 11,150 |
| 12,354 |
| 12,724 |
| 12,920 |