Table 1.
Travel speeds (miles per hour, mph) used in custom-built network datasets
| Road type | N1 | N2 | N3 | N4 | N5 |
|---|---|---|---|---|---|
| Expressways |
70 |
60 |
60 |
62 |
65 |
| Ramps |
25 |
25 |
25 |
25 |
20 |
| City owned, major |
35 |
30 |
30 |
35 |
30 |
| City owned, minor |
25 |
20 |
20 |
25 |
20 |
| Private |
25 |
25 |
25 |
25 |
20 |
| Minor collectors |
55 |
55 |
55 |
45 |
50 |
| Rural arterials and major collectors |
55 |
55 |
55 |
45 |
50 |
| Rural local |
45 |
45 |
45 |
45 |
40 |
| Urban, state owned arterials and major collectors |
35 |
35 |
35 |
35 |
30 |
| Urban, county owned arterials and major collectors |
45 |
45 |
45 |
45 |
40 |
| Urban, state owned local |
35 |
35 |
35 |
35 |
30 |
| Urban, county primary local |
55 |
55 |
55 |
45 |
50 |
| Urban, county local | 25 | 25 | 25 | 25 | 20 |