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Highway Statistics 1999 OHPI > Highway Statistics > 1999 > Roadway Extent > Table HM-36

FEDERAL-AID HIGHWAY LENGTH - 1999 1/

MILES BY TRAFFIC LANES AND ACCESS CONTROL NATIONAL SUMMARY

JANUARY 2002 (MILLIONS) TABLE HM-36
TRAFFIC LANES AND
ACCESS CONTROL		 NATIONAL HIGHWAY SYSTEM OTHER FEDERAL - AID
HIGHWAYS 2/		 ALL FEDERAL-AID
HIGHWAYS 2/
INTERSTATE OTHER TOTAL
MILES PERCENT MILES PERCENT MILES PERCENT MILES PERCENT MILES PERCENT
Rural:                    
One-way streets 0 0.0 99 0.1 99 0.1 351 0.1 450 0.1
2 lanes 995 3.0 58,468 68.5 59,463 50.2 568,662 97.6 628,125 89.6
3 lanes 15 0.0 1,803 2.1 1,818 1.5 1,264 0.2 3,082 0.4
4 or more lanes - undivided 3/ 57 0.2 3,613 4.2 3,670 3.1 5,524 0.9 9,194 1.3
Divided highways - 4 or more lanes: 3/                    
Degree of access control:                    
None 13 0.0 9,563 11.2 9,576 8.1 5,673 1.0 15,249 2.2
Partial 55 0.2 6,623 7.8 6,678 5.6 1,028 0.2 7,706 1.1
Full 31,851 96.6 5,208 6.1 37,059 31.3 207 0.0 37,266 5.3
Total Rural 32,986 100.0 85,377 100.0 118,363 100.0 582,709 100.0 701,072 100.0
Small urban area:                    
One-way streets 0 0.0 104 1.8 104 1.4 685 0.6 789 0.7
2 lanes 1 0.1 1,873 32.0 1,874 24.6 40,784 36.4 42,658 35.6
3 lanes 0 0.0 87 1.5 87 1.1 402 0.4 489 0.4
4 or more lanes - undivided 3/ 0 0.0 1,213 20.7 1,213 15.9 4,683 4.2 5,896 4.9
Divided highways - 4 or more lanes: 3/                    
Degree of access control:                    
None 1 0.1 996 17.0 997 13.1 1,725 1.5 2,722 2.3
Partial 11 0.6 908 15.5 919 12.1 433 0.4 1,352 1.1
Full 1,749 99.3 675 11.5 2,424 31.8 70 0.1 2,494 2.1
Total Small Urban Area 1,762 100.0 5,856 100.0 7,618 100.0 48,782 100.0 56,400 100.0
Urbanized Area:                    
One-way streets 5 0.0 536 2.4 541 1.6 4,325 1.0 4,866 1.1
2 lanes 5 0.0 3,903 17.6 3,908 11.6 112,741 26.5 116,649 25.4
3 lanes 4 0.0 134 0.6 138 0.4 1,565 0.4 1,703 0.4
4 or more lanes - undivided 3/ 2 0.0 3,986 18.0 3,988 11.8 22,767 5.3 26,755 5.8
Divided highways - 4 or more lanes: 3/                    
Degree of access control:                    
None 15 0.1 4,828 21.8 4,843 14.3 16,735 3.9 21,578 4.7
Partial 40 0.3 3,354 15.1 3,394 10.1 3,101 0.7 6,495 1.4
Full 11,529 99.4 5,415 24.4 16,944 50.2 668 0.2 17,612 3.8
Total Urbanized Area 11,600 100.0 22,156 100.0 33,756 100.0 161,902 100.0 195,658 100.0
Total Urban:                    
One-way streets 5 0.0 640 4.2 645 3.0 5,010 1.6 5,655 1.8
2 lanes 6 0.1 5,776 49.6 5,782 36.2 153,525 62.9 159,307 61.0
3 lanes 4 0.0 221 2.1 225 1.5 1,967 0.8 2,192 0.8
4 or more lanes - undivided 3/ 2 0.0 5,199 38.7 5,201 27.7 27,450 9.5 32,651 10.7
Divided highways - 4 or more lanes: 3/                    
Degree of access control:                    
None 16 0.2 5,824 38.8 5,840 27.4 18,460 5.4 24,300 7.0
Partial 51 0.9 4,262 30.6 4,313 22.2 3,534 1.1 7,847 2.5
Full 13,278 198.7 6,090 35.9 19,368 82.0 738 0.3 20,106 5.9
Total Urban 13,362 100.0 28,012 100.0 41,374 100.0 210,684 100.0 252,058 100.0
Total Rural and Urban 46,348   113,389   159,737   793,393   953,130  

1/ Includes the 50 States, the District of Columbia, and Puerto Rico.

2/ Some differences from other tables may be noted because these are estimated from sample data and do not include samples entirely on structures.

3/ Differences may exist from prior years due to the redefinition of divided and undivided roadways in 1999.

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