RURAL HIGHWAY MILEAGE, INCOME, AND EXPENDITURES 41 
Table 11. — Rural road mileage by types and highway systems as existing January 1, 
and mileage of each type built during 1921 in each State — Continued 
NEW JERSEY 
^Treads 3 *- County roads 
Township roads 
All rural roads 
Type 
Total 
Jan. 1, 
1922 
Built I J™*! 
1921 | *gy. 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Unimproved earth 
Miles 
3.3 
7.3 
1.3 
Miles 
Miles 
48.1 
6.8 
' 4.7 
Miles 
Miles 
5, 395. 7 
2, 140. 1 
Miles 
10.3 
5.5 
Miles 
5, 447. 1 
2, 154. 2 
6.0 
Miles 
JO. 3 
Partly graded and 
5.5 
Earth to definite 
grade with perma- 
nent drainage 
structures 
4.7 
4.7 
Sand-clay 
3.0 
.3 
12.0 
2, 429. 4 
420.8 
123.1 
46.1 
6.3 
46.5 
11.5 
12.0 
Gravel 
163.1 
57.6 
148.1 
23.8 
9.6 
150.4 
140.8 
4.5 
842.0 
631.9 
11.1 
93.6 
18.8 
2.7 
9.1 
5.5 
1.5 
3, 434. 5 
1,110.3 
604.9 
192.8 
74.2 
714.8 
238.2 
107.7 
Waterbound mac- 
adam 
19.1 
Surface-treated mac- 
adam 
4.7 
13.2 
5.0 
79.9 
333.7 
122.9 
58.3 
517.9 
85.9 
8.4 
2.7 
Bituminous macadam 
Sheet asphalt.. 
Bituminous concrete- 
Portland cement 
concrete 
4.1 
11.1 
37.0 
15.7 
17.9 
29.8 
43.5 
95.6 
Brick 
12.9 
2.1 
Wood block... 
1.5 
2.1 
2.5 
36.8 
.6 
4.7 
.6 
39.3 
23.1 
6.2 
22.5 
2.7 
3.3 
Total 
712.3 
112.3 
2, 700. 1 
84.3 
10, 654. 
139.7 
14, 066. 4 
336.3 
' 
1 New roads laid out but not improved. 
NEW MEXICO 
State roads 
County roads 
Forest roads 
All rural roads 
Type 
jin'l ! Built 
J l?22' 1921 
Total 
Jan, 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Total 
Jan. 1, 
1922 
Built 
1921 
Unimproved earth . . . 
Partly graded and 
drained earth 
Miles 
4, 549. 5 
1, 912. 9 
146.2 
88.8 
862.7 
26.8 
Miles 
274.6 
100.0 
Miles 
35, 931. 1 
296.6 
138.5 
585.2 
206.9 
Miles 
! 233. 7 
413.3 
Miles 
568.7 
Miles 
> 1.4 
Miles 
41, 049. 3 
2, 209. 5 
488.7 
674.0 
1, 100. 6 
26.8 
Miles 
1 235.1 
687.9 
Earth to definite 
grade with perma- 
nent drainage struc- 
tures 
204.0 
64.4 
164.4 
7.0 
55.4 
7.0 
Gravel 
299.4 
5.7 
31.0 j 11.0 
...;.. 
365.8 
Portland cement con- 
crete 
5.7 
1 
Total.. 
7, 586. 9 
679.7 
37, 158.3 
709.4 
803. 7 76. 8 
45, 548. 9 
1, 465. 9- 
1 New roads laid out but not improved , 
97532— 25t 6 
