44 
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 
OKLAHOMA 
State roads 
County roads 
All rural roads 
Type 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Miles 
5, 814. 7 
7, 386. 1 
Miles 
Miles 
i 85, 967. 6 
30, 633. 3 
1. 000. 
1.622.8 
Miles 
Miles 
191,782.3 
38, 019. 4 
2,000.0 
1, 840. 3 
Miles 
Partly graded and drained earth. 
1. 103. 5 
1,771.6 
200.0 
88.1 
"it 
2, 875. 1 
500.0 
1 55 fi 
Earth to definite grade with permanent 
drainage structures. 
1,000.0 ! 300.0 
217.5 i 67.5 
222. 8 ' 142. 8 268. 1 
490. 9 200. 2 
7 2 
7. 2 2. 1 
Surface-treated macadam. _ 
3.5 
1.5 
7.7 
51.9 
1.4 
9.0 
3.5 
1.5 
25.3 
81.7 
1.4 
9.0 
17.6 
29.8 
17.6 
29.4 
3.1 
19.0 
1.0 
5.0 
20.7 
48.4 
Brick 
1.0 
Miscellaneous 
5.0 
Total 
14, 688. 5 
1, 660. 8 
1119,574.0 
2, 147. 3 
1134,262.5 
3, 808. 1 
Includes about 26,000 miles of section lines declared public highways by law but not generally used. 
OREGON 
State roads County roads 
Forest roads 
All rural roads 
Type 
Total 
Jan. 1, 
1922 
i92i *gy. 
1 
Built 
1921 
J T an ta i Built 
'ife?' | 1921 
1 
Total 
Jan. 1, 
1922 
Built 
1921 
Miles 
2. 162.0 
Miles Miles 
19,504.0 
Miles 
i 25. 
572.1 
Miles j Miles 
Miles 
21, 666. 
6, 481. 5 
9,277.0 
6, 230. 4 
839.7 
35.0 
746.4 
139.2 
0.1 
0.4 
59.0 
Miles 
i 25.0 
Partly graded and 
drained earth. 200.0 
65.0 6.281.5 
! 
637.1 
Earth to definite 
grade with perma- 
nent drainage struc- 
tures... '; 229.0 '' 150.0 8,904.0 
! 
i 
144.0 j 54.5 
48. 7 27. 1 
22. 2 1 22. 2 
j 
204.5 
Gravel j 751.8 • 433.8 5,429.9 
Waterbound mac- 
adam.... 817.5 
541.7 
87.8 
1.5 
21.8 
15.6 
1,002.6 
110.0 
Bituminous macadam 
! 35.0 
1.5 
5fifi. 8 
124. 8 ; 179. 6 
51.0 37.4 
0. 1 
146.6 
Portland cement con- 
crete. 101.8 
j 
66.6 
Brick 
"" " 
Wood block 0. 4 
6.0 
6.0 
Total 

4,011.4 , 824.6 41,248.4 
1 
1, 271. 5 
214. 9 ; 103. 8 
i 
45, 474. 7 
2, 199. 9 
i New roads laid out but not improved. 
! 
