50 
BULLETIN 1279, U. S. DEPARTMENT OF AGRICULTURE 
Table 11. — Rural road mileage by types and highway systems as existing January' 1 
1922, and mileage of each type built during 1921 in each State — Continued 
WISCONSIN 
qtatP trunk linp<? State aid and 
btate trunfc lines county roads 
Township roads i All rural roads 
Type 
Total 
Jan. 1, 
1922 
1921 | ^ 
Built 
1921 
St ! Bum | «* B»m 
1922 UZi 1922 iy21 
Unimproved earth 
Miles 
Miles 
Miles 
4, 230. 1 
3, 535. 3 
Miles Miles 
i 116. 7 17. 270. 4 
Miles 
i 410. 3 
3, 013. 9 
Miles Miles 
21, 500. 5 i 527. O 
Partly graded and 
drained earth 
1, 635. 3 
820.0 
510.2 
3, 144. 1 
161.2 
482.0 
39.2 
7.6 
1,007.4 
250.0 
23, 353. 1 
5. 600. O 
28, 523. 7 4, 021. Z- 
Earth to definite 
grade with perma- 
nent drainage struc- 
477.1 
2. 520. 
8, 940. 727. 1 
3. 859. 7 . 564. 9 
68.3 ! 747.6 
590.7 | 3,931.5 
8. 5 j 496. 8 
1. 7 335. 4 
198.6 : 2,601.9 
298.0 
Gravel 
Waterbound mac- 
763.6 5,911.0 940.0 12,986.6 2,294.9 
58.0 221.5 77. fi : 879. 5 i 144 1 
Surface-treated mac- 
817.4 1.7 
52. 3 22. 3- 
7.6 
14.0 
Bituminous mac- 
22.3 
13.1 
Sheet asphalt 
14.0 
Portland cement con- 
649.9 
5.0 
285.0 
434.0 
217.6 
7.3 6. ! 1091. 2 508. ft 
Brick 
.1 | 1.1 
0.1 .1 
Total 
7, 454. 5 
1,453.7 , 16.258.9 
2, 611. 9 
54, 965. 2 4. 746. 4 
78,678.6 8,812.0 
' 
1 New roads laid out but not improved. 
WYOMING 
State roads 
County roads > 
Forest roads 2 
All rural roads 
Type 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
St : »gf 
1922 1J " 1 
Unimproved earth . . . 
Miles 
762.0 
1, 720. 
195.6 
235.5 
Miles 
Miles ! Miles 
(38,592.4 ___ 
Miles 
} 1, 226. 1 
} 78.4 
103.4 
Miles 
Miles Miles 
39,373.6 
511.4 
150.0 
137.2 
\ 19.2 
Partly graded and 
/ 4, 679. 4 
\ 120. 1 
844.2 
.2 
6,519.5 1.355. S- 
drained earth 
Earth to definite 
grade with perma- 
nent drainage struc- 
73.1 
195. 6 150. 
] 21. 3 19. 9 
1 . 
413.1 157.7 
Waterbound mac- 
\ 156. 3 
11.6 
.0 
/ 
11.6 
Bituminous concrete. j 1. 3 
1.3 
5.8 
1.3 1 1.3 
Portland cement con- 
crete i 10.8 
2.8 
2.8 
13.6 , 8.6 
Total 
2, 925. 2 
805.7 
43, 295. 9 
307.2 
866.9 
.8 
1,407.9 
73.1 
46,528.3 1,673.4 
1 Lower figures are roads in Yellowstone Park. * Forest roads included in State or county road.- 
