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. 2012 May 15;11:15. doi: 10.1186/1476-072X-11-15

Table 8.

Michigan roads by travel speed

Travel speed (mph) Network % Raster % Difference
20
30.78
38.92
8.14
30
5.99
0.36
-5.63
40
40.75
49.33
8.58
50
19.73
11.20
-8.53
65 2.76 0.19 -2.57