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August 2011 Traffic Volume Trends

Figure 1 data – Moving 12-Month Total on All Highways

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Moving 12-Month Total on All US Highways
Date Annual Vehicle-Distance
Traveled (Billion Miles)
Jan – 1986 1,784
Feb – 1986 1,788
Mar – 1986 1,795
Apr – 1986 1,797
May – 1986 1,801
Jun – 1986 1,805
Jul – 1986 1,809
Aug – 1986 1,813
Sep – 1986 1,818
Oct – 1986 1,823
Nov – 1986 1,830
Dec – 1986 1,838
Jan – 1987 1,845
Feb – 1987 1,858
Mar – 1987 1,864
Apr – 1987 1,874
May – 1987 1,881
Jun – 1987 1,886
Jul – 1987 1,891
Aug – 1987 1,894
Sep – 1987 1,903
Oct – 1987 1,911
Nov – 1987 1,918
Dec – 1987 1,924
Jan – 1988 1,933
Feb – 1988 1,939
Mar – 1988 1,949
Apr – 1988 1,956
May – 1988 1,967
Jun – 1988 1,977
Jul – 1988 1,986
Aug – 1988 1,994
Sep – 1988 2,000
Oct – 1988 2,009
Nov – 1988 2,016
Dec – 1988 2,026
Jan – 1989 2,036
Feb – 1989 2,041
Mar – 1989 2,049
Apr – 1989 2,056
May – 1989 2,063
Jun – 1989 2,068
Jul – 1989 2,075
Aug – 1989 2,084
Sep – 1989 2,090
Oct – 1989 2,098
Nov – 1989 2,104
Dec – 1989 2,107
Jan – 1990 2,111
Feb – 1990 2,118
Mar – 1990 2,121
Apr – 1990 2,126
May – 1990 2,131
Jun – 1990 2,136
Jul – 1990 2,141
Aug – 1990 2,143
Sep – 1990 2,145
Oct – 1990 2,145
Nov – 1990 2,146
Dec – 1990 2,148
Jan – 1991 2,142
Feb – 1991 2,142
Mar – 1991 2,142
Apr – 1991 2,142
May – 1991 2,145
Jun – 1991 2,149
Jul – 1991 2,152
Aug – 1991 2,159
Sep – 1991 2,164
Oct – 1991 2,170
Nov – 1991 2,168
Dec – 1991 2,172
Jan – 1992 2,182
Feb – 1992 2,189
Mar – 1992 2,194
Apr – 1992 2,200
May – 1992 2,205
Jun – 1992 2,209
Jul – 1992 2,217
Aug – 1992 2,218
Sep – 1992 2,225
Oct – 1992 2,231
Nov – 1992 2,239
Dec – 1992 2,247
Jan – 1993 2,251
Feb – 1993 2,254
Mar – 1993 2,258
Apr – 1993 2,261
May – 1993 2,270
Jun – 1993 2,272
Jul – 1993 2,275
Aug – 1993 2,280
Sep – 1993 2,283
Oct – 1993 2,286
Nov – 1993 2,291
Dec – 1993 2,297
Jan – 1994 2,294
Feb – 1994 2,298
Mar – 1994 2,306
Apr – 1994 2,313
May – 1994 2,314
Jun – 1994 2,321
Jul – 1994 2,326
Aug – 1994 2,332
Sep – 1994 2,339
Oct – 1994 2,344
Nov – 1994 2,351
Dec – 1994 2,358
Jan – 1995 2,382
Feb – 1995 2,387
Mar – 1995 2,392
Apr – 1995 2,395
May – 1995 2,401
Jun – 1995 2,405
Jul – 1995 2,407
Aug – 1995 2,411
Sep – 1995 2,415
Oct – 1995 2,418
Nov – 1995 2,423
Dec – 1995 2,423
Jan – 1996 2,412
Feb – 1996 2,418
Mar – 1996 2,421
Apr – 1996 2,428
May – 1996 2,434
Jun – 1996 2,438
Jul – 1996 2,446
Aug – 1996 2,456
Sep – 1996 2,460
Oct – 1996 2,469
Nov – 1996 2,474
Dec – 1996 2,482
Jan – 1997 2,489
Feb – 1997 2,496
Mar – 1997 2,504
Apr – 1997 2,510
May – 1997 2,517
Jun – 1997 2,524
Jul – 1997 2,536
Aug – 1997 2,540
Sep – 1997 2,546
Oct – 1997 2,552
Nov – 1997 2,555
Dec – 1997 2,560
Jan – 1998 2,567
Feb – 1998 2,570
Mar – 1998 2,573
Apr – 1998 2,579
May – 1998 2,581
Jun – 1998 2,588
Jul – 1998 2,591
Aug – 1998 2,594
Sep – 1998 2,600
Oct – 1998 2,608
Nov – 1998 2,616
Dec – 1998 2,625
Jan – 1999 2,622
Feb – 1999 2,626
Mar – 1999 2,633
Apr – 1999 2,636
May – 1999 2,639
Jun – 1999 2,646
Jul – 1999 2,649
Aug – 1999 2,654
Sep – 1999 2,659
Oct – 1999 2,664
Nov – 1999 2,674
Dec – 1999 2,679
Jan – 2000 2,689
Feb – 2000 2,697
Mar – 2000 2,709
Apr – 2000 2,716
May – 2000 2,727
Jun – 2000 2,735
Jul – 2000 2,737
Aug – 2000 2,743
Sep – 2000 2,747
Oct – 2000 2,750
Nov – 2000 2,751
Dec – 2000 2,748
Jan – 2001 2,754
Feb – 2001 2,756
Mar – 2001 2,755
Apr – 2001 2,760
May – 2001 2,762
Jun – 2001 2,763
Jul – 2001 2,768
Aug – 2001 2,774
Sep – 2001 2,772
Oct – 2001 2,776
Nov – 2001 2,784
Dec – 2001 2,796
Jan – 2002 2,801
Feb – 2002 2,808
Mar – 2002 2,812
Apr – 2002 2,817
May – 2002 2,823
Jun – 2002 2,827
Jul – 2002 2,833
Aug – 2002 2,838
Sep – 2002 2,845
Oct – 2002 2,850
Nov – 2002 2,851
Dec – 2002 2,856
Jan – 2003 2,859
Feb – 2003 2,854
Mar – 2003 2,855
Apr – 2003 2,857
May – 2003 2,859
Jun – 2003 2,863
Jul – 2003 2,869
Aug – 2003 2,871
Sep – 2003 2,875
Oct – 2003 2,883
Nov – 2003 2,886
Dec – 2003 2,890
Jan – 2004 2,894
Feb – 2004 2,904
Mar – 2004 2,918
Apr – 2004 2,929
May – 2004 2,933
Jun – 2004 2,938
Jul – 2004 2,942
Aug – 2004 2,944
Sep – 2004 2,950
Oct – 2004 2,951
Nov – 2004 2,957
Dec – 2004 2,965
Jan – 2005 2,966
Feb – 2005 2,973
Mar – 2005 2,975
Apr – 2005 2,975
May – 2005 2,980
Jun – 2005 2,987
Jul – 2005 2,987
Aug – 2005 2,990
Sep – 2005 2,989
Oct – 2005 2,986
Nov – 2005 2,989
Dec – 2005 2,989
Jan – 2006 2,999
Feb – 2006 2,999
Mar – 2006 3,003
Apr – 2006 3,003
May – 2006 3,003
Jun – 2006 3,003
Jul – 2006 3,000
Aug – 2006 3,000
Sep – 2006 3,003
Oct – 2006 3,010
Nov – 2006 3,012
Dec – 2006 3,014
Jan – 2007 3,015
Feb – 2007 3,013
Mar – 2007 3,016
Apr – 2007 3,018
May – 2007 3,023
Jun – 2007 3,024
Jul – 2007 3,028
Aug – 2007 3,034
Sep – 2007 3,035
Oct – 2007 3,038
Nov – 2007 3,039
Dec – 2007 3,031
Jan – 2008 3,031
Feb – 2008 3,033
Mar – 2008 3,026
Apr – 2008 3,026
May – 2008 3,021
Jun – 2008 3,011
Jul – 2008 3,006
Aug – 2008 2,996
Sep – 2008 2,989
Oct – 2008 2,984
Nov – 2008 2,975
Dec – 2008 2,977
Jan – 2009 2,969
Feb – 2009 2,967
Mar – 2009 2,964
Apr – 2009 2,964
May – 2009 2,963
Jun – 2009 2,967
Jul – 2009 2,972
Aug – 2009 2,973
Sep – 2009 2,978
Oct – 2009 2,977
Nov – 2009 2,979
Dec – 2009 2,978
Jan – 2010 2,974
Feb – 2010 2,967
Mar – 2010 2,973
Apr – 2010 2,976
May – 2010 2,976
Jun – 2010 2,979
Jul – 2010 2,981
Aug – 2010 2,985
Sep – 2010 2,989
Oct – 2010 2,995
Nov – 2010 2,998
Dec – 2010 3,000
Jan – 2011 3,001
Feb – 2011 3,002
Mar – 2011 2,999
Apr – 2011 2,994
May – 2011 2,989
Jun – 2011 2,985
Jul – 2011 2,979
Aug – 2011 2,974

Return to Figure 1