Figure 1 - Moving 12-month Total on all Highways.
| Jan-77 | 1,409 |
|---|---|
| Feb-77 | 1,413 |
| Mar-77 | 1,418 |
| Apr-77 | 1,423 |
| May-77 | 1,428 |
| Jun-77 | 1,434 |
| Jul-77 | 1,439 |
| Aug-77 | 1,443 |
| Sep-77 | 1,448 |
| Oct-77 | 1,454 |
| Nov-77 | 1,460 |
| Dec-77 | 1,463 |
| Jan-78 | 1,470 |
| Feb-78 | 1,475 |
| Mar-78 | 1,480 |
| Apr-78 | 1,481 |
| May-78 | 1,487 |
| Jun-78 | 1,496 |
| Jul-78 | 1,508 |
| Aug-78 | 1,521 |
| Sep-78 | 1,529 |
| Oct-78 | 1,534 |
| Nov-78 | 1,539 |
| Dec-78 | 1,548 |
| Jan-79 | 1,552 |
| Feb-79 | 1,555 |
| Mar-79 | 1,561 |
| Apr-79 | 1,568 |
| May-79 | 1,566 |
| Jun-79 | 1,558 |
| Jul-79 | 1,545 |
| Aug-79 | 1,535 |
| Sep-79 | 1,532 |
| Oct-79 | 1,530 |
| Nov-79 | 1,530 |
| Dec-79 | 1,529 |
| Jan-80 | 1,531 |
| Feb-80 | 1,528 |
| Mar-80 | 1,522 |
| Apr-80 | 1,518 |
| May-80 | 1,517 |
| Jun-80 | 1,518 |
| Jul-80 | 1,519 |
| Aug-80 | 1,518 |
| Sep-80 | 1,518 |
| Oct-80 | 1,519 |
| Nov-80 | 1,519 |
| Dec-80 | 1,520 |
| Jan-81 | 1,520 |
| Feb-81 | 1,522 |
| Mar-81 | 1,525 |
| Apr-81 | 1,528 |
| May-81 | 1,531 |
| Jun-81 | 1,535 |
| Jul-81 | 1,540 |
| Aug-81 | 1,544 |
| Sep-81 | 1,548 |
| Oct-81 | 1,549 |
| Nov-81 | 1,550 |
| Dec-81 | 1,550 |
| Jan-82 | 1,543 |
| Feb-82 | 1,541 |
| Mar-82 | 1,542 |
| Apr-82 | 1,543 |
| May-82 | 1,549 |
| Jun-82 | 1,556 |
| Jul-82 | 1,566 |
| Aug-82 | 1,576 |
| Sep-82 | 1,581 |
| Oct-82 | 1,587 |
| Nov-82 | 1,589 |
| Dec-82 | 1,592 |
| Jan-83 | 1,602 |
| Feb-83 | 1,606 |
| Mar-83 | 1,611 |
| Apr-83 | 1,614 |
| May-83 | 1,617 |
| Jun-83 | 1,621 |
| Jul-83 | 1,626 |
| Aug-83 | 1,630 |
| Sep-83 | 1,634 |
| Oct-83 | 1,639 |
| Nov-83 | 1,646 |
| Dec-83 | 1,649 |
| Jan-84 | 1,652 |
| Feb-84 | 1,657 |
| Mar-84 | 1,662 |
| Apr-84 | 1,670 |
| May-84 | 1,678 |
| Jun-84 | 1,685 |
| Jul-84 | 1,689 |
| Aug-84 | 1,697 |
| Sep-84 | 1,703 |
| Oct-84 | 1,706 |
| Nov-84 | 1,710 |
| Dec-84 | 1,716 |
| Jan-85 | 1,718 |
| Feb-85 | 1,720 |
| Mar-85 | 1,727 |
| Apr-85 | 1,733 |
| May-85 | 1,739 |
| Jun-85 | 1,744 |
| Jul-85 | 1,749 |
| Aug-85 | 1,754 |
| Sep-85 | 1,758 |
| Oct-85 | 1,765 |
| Nov-85 | 1,769 |
| Dec-85 | 1,774 |
| Jan-86 | 1,783 |
| Feb-86 | 1,787 |
| Mar-86 | 1,794 |
| Apr-86 | 1,797 |
| May-86 | 1,800 |
| Jun-86 | 1,804 |
| Jul-86 | 1,808 |
| Aug-86 | 1,813 |
| Sep-86 | 1,818 |
| Oct-86 | 1,823 |
| Nov-86 | 1,830 |
| Dec-86 | 1,838 |
| Jan-87 | 1,845 |
| Feb-87 | 1,857 |
| Mar-87 | 1,864 |
| Apr-87 | 1,873 |
| May-87 | 1,880 |
| Jun-87 | 1,886 |
| Jul-87 | 1,890 |
| Aug-87 | 1,894 |
| Sep-87 | 1,903 |
| Oct-87 | 1,910 |
| Nov-87 | 1,918 |
| Dec-87 | 1,924 |
| Jan-88 | 1,933 |
| Feb-88 | 1,939 |
| Mar-88 | 1,949 |
| Apr-88 | 1,956 |
| May-88 | 1,966 |
| Jun-88 | 1,977 |
| Jul-88 | 1,986 |
| Aug-88 | 1,993 |
| Sep-88 | 2,000 |
| Oct-88 | 2,009 |
| Nov-88 | 2,016 |
| Dec-88 | 2,025 |
| Jan-89 | 2,036 |
| Feb-89 | 2,041 |
| Mar-89 | 2,048 |
| Apr-89 | 2,056 |
| May-89 | 2,062 |
| Jun-89 | 2,068 |
| Jul-89 | 2,074 |
| Aug-89 | 2,084 |
| Sep-89 | 2,090 |
| Oct-89 | 2,097 |
| Nov-89 | 2,104 |
| Dec-89 | 2,107 |
| Jan-90 | 2,110 |
| Feb-90 | 2,117 |
| Mar-90 | 2,121 |
| Apr-90 | 2,126 |
| May-90 | 2,130 |
| Jun-90 | 2,136 |
| Jul-90 | 2,140 |
| Aug-90 | 2,143 |
| Sep-90 | 2,144 |
| Oct-90 | 2,144 |
| Nov-90 | 2,146 |
| Dec-90 | 2,147 |
| Jan-91 | 2,141 |
| Feb-91 | 2,141 |
| Mar-91 | 2,141 |
| Apr-91 | 2,142 |
| May-91 | 2,145 |
| Jun-91 | 2,149 |
| Jul-91 | 2,151 |
| Aug-91 | 2,158 |
| Sep-91 | 2,164 |
| Oct-91 | 2,169 |
| Nov-91 | 2,168 |
| Dec-91 | 2,172 |
| Jan-92 | 2,181 |
| Feb-92 | 2,188 |
| Mar-92 | 2,193 |
| Apr-92 | 2,200 |
| May-92 | 2,204 |
| Jun-92 | 2,208 |
| Jul-92 | 2,216 |
| Aug-92 | 2,217 |
| Sep-92 | 2,224 |
| Oct-92 | 2,231 |
| Nov-92 | 2,238 |
| Dec-92 | 2,247 |
| Jan-93 | 2,251 |
| Feb-93 | 2,253 |
| Mar-93 | 2,257 |
| Apr-93 | 2,260 |
| May-93 | 2,269 |
| Jun-93 | 2,272 |
| Jul-93 | 2,275 |
| Aug-93 | 2,280 |
| Sep-93 | 2,282 |
| Oct-93 | 2,285 |
| Nov-93 | 2,290 |
| Dec-93 | 2,296 |
| Jan-94 | 2,294 |
| Feb-94 | 2,297 |
| Mar-94 | 2,306 |
| Apr-94 | 2,312 |
| May-94 | 2,313 |
| Jun-94 | 2,321 |
| Jul-94 | 2,326 |
| Aug-94 | 2,331 |
| Sep-94 | 2,338 |
| Oct-94 | 2,343 |
| Nov-94 | 2,351 |
| Dec-94 | 2,357 |
| Jan-95 | 2,382 |
| Feb-95 | 2,386 |
| Mar-95 | 2,391 |
| Apr-95 | 2,394 |
| May-95 | 2,400 |
| Jun-95 | 2,404 |
| Jul-95 | 2,407 |
| Aug-95 | 2,411 |
| Sep-95 | 2,414 |
| Oct-95 | 2,418 |
| Nov-95 | 2,422 |
| Dec-95 | 2,422 |
| Jan-96 | 2,412 |
| Feb-96 | 2,417 |
| Mar-96 | 2,420 |
| Apr-96 | 2,427 |
| May-96 | 2,433 |
| Jun-96 | 2,438 |
| Jul-96 | 2,446 |
| Aug-96 | 2,455 |
| Sep-96 | 2,459 |
| Oct-96 | 2,468 |
| Nov-96 | 2,474 |
| Dec-96 | 2,482 |
| Jan-97 | 2,488 |
| Feb-97 | 2,496 |
| Mar-97 | 2,504 |
| Apr-97 | 2,504 |
| May-97 | 2,517 |
| Jun-97 | 2,524 |
| Jul-97 | 2,535 |
| Aug-97 | 2,540 |
| Sep-97 | 2,546 |
| Oct-97 | 2,551 |
| Nov-97 | 2,554 |
| Dec-97 | 2,560 |
| Jan-98 | 2,567 |
| Feb-98 | 2,570 |
| Mar-98 | 2,572 |
| Apr-98 | 2,579 |
| May-98 | 2,581 |
| Jun-98 | 2,587 |
| Jul-98 | 2,590 |
| Aug-98 | 2,594 |
| Sep-98 | 2,600 |
| Oct-98 | 2,607 |
| Nov-98 | 2,616 |
| Dec-98 | 2,625 |
| Jan-99 | 2,622 |
| Feb-99 | 2,626 |
| Mar-99 | 2,632 |
| Apr-99 | 2,636 |
| May-99 | 2,638 |
| Jun-99 | 2,646 |
| Jul-99 | 2,649 |
| Aug-99 | 2,653 |
| Sep-99 | 2,658 |
| Oct-99 | 2,663 |
| Nov-99 | 2,674 |
| Dec-99 | 2,679 |
| Jan-00 | 2,689 |
| Feb-00 | 2,697 |
| Mar-00 | 2,709 |
| Apr-00 | 2,716 |
| May-00 | 2,727 |
| Jun-00 | 2,734 |
| Jul-00 | 2,736 |
| Aug-00 | 2,743 |
| Sep-00 | 2,746 |
| Oct-00 | 2,749 |
| Nov-00 | 2,749 |
| Dec-00 | 2,746 |
| Jan-01 | 2,752 |
| Feb-01 | 2,753 |
| Mar-01 | 2,752 |
| Apr-01 | 2,755 |
| May-01 | 2,757 |
| Jun-01 | 2,756 |
| Jul-01 | 2,760 |
| Aug-01 | 2,764 |
| Sep-01 | 2,761 |
| Oct-01 | 2,765 |
| Nov-01 | 2,771 |
| Dec-01 | 2,781 |
| Jan-02 | 2,788 |
| Feb-02 | 2,796 |
| Mar-02 | 2,801 |
| Apr-02 | 2,807 |
| May-02 | 2,814 |
| Jun-02 | 2,820 |
| Jul-02 | 2,828 |
| Aug-02 | 2,834 |
| Sep-02 | 2,843 |
| Oct-02 | 2,848 |
| Nov-02 | 2,850 |
| Dec-02 | 2,855 |
| Jan-03 | 2,857 |
| Feb-03 | 2,851 |
| Mar-03 | 2,851 |
| Apr-03 | 2,852 |
| May-03 | 2,852 |
| Jun-03 | 2,856 |
| Jul-03 | 2,861 |
| Aug-03 | 2,862 |
| Sep-03 | 2,865 |
| Oct-03 | 2,873 |