RURAL HIGHWAY MILEAGE. INCOME, AND EXPENDITURES 
33 
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 
INDIANA 
State roads 
County and town- 
ship 
All rural roads 
Type 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built j£n ta i Built 
1921 J J^22 1921 
Unimproved earth.. 
Miles 
30.7 
Miles 
Miles 
S, 574. 5 
27, 641. 4 
Miles 
Miles 
8, 605. 2 
27, 641. 4 
Miles 
Partly graded and drained earth 
Earth to definite grade with permanent 
drainage structures. ._ 
142.8 
1, 828. 3 
812.5 
62.1 
29.6 
142.8 
28, 972. 5 
6, 104. 5 
886.6 
275.7 
1, 122. 4 
275.9 
30, 800. 8 
6.917 
1, 122. 4 
Waterbound macadam 
Surface-treated macadam 
275. 9 
30. 948. 7 
30.0 
10.8 ! 305.3 10. 8 
20. « . n 1 9.n n ' s n 
Bituminous concrete 
15.1 
228.8 
41.0 
3.9 
78.8 
23.0 
424.9 
132.4 
3.0 38.1 1 6.9 
119. I 653. 7 j 197. 8 
Brick- 
19. 2 j 173. 4 19. 2 
Total . 
3, 190. 9 
82.7 
73, 055. 5 
1,588.3 7fi. 246 4 1 1.671 O 
' 
IOWA 
State roads County roads Township roads 
All rural roads 
Type 
J™ 1 1 Built llTl ' Built ' llTl Built 
Jan. i, 1Q91 Jan. i, 1Q91 Jan. i, ' 1Q91 
1922 iy " 1 1922 iyzi 1922 15 ^ x 
Total 
Jan. 1, 
1922 
Built 
1921 
Unimproved earth 
Miles Miles Miles Miles 
Miles 
6, 784. 3 
80, 000. 
Miles 
Miles 
6, 784. 3 
92, 271. 6 
2, 442. 
2, 345. 5 
1.0 
187.3 
50.7 
Miles 
Partly graded and 
3,775.6 
! 
8,496.0 1 291.8 
291.8 
Earth to definite 
grade with perma- 
nent drainage struc- 
1,447.8 1 1,069.5 
994.2 
1, 069. 5 
798.7 
1, 155. 6 | 404. 1, 189. 9 
1.0 
394.7 
Surface-treated 
Portland cement 
185.3 151.5 . 2.0 
151.5 
Brick 
50. 7 ! 16. 6 
16.6 
Total 
Total additional mile- 
age within towns of 
2,500 and less . 
6, 616. 1 1, 641. 6 10, 682. 1 
! 
| 
686. 5 86, 784. 3 
... 
104, 082. 4 
5, 029. 9 
2, 328. 1 
109, 112. 3 
97532—25" 
