Research Article
Evaluation of Pavement Performance due to Overload Single-Trip Permit Truck Traffic in Wisconsin
Table 2
Pavement structures at investigated highway test sites.
| | Highway test site | HMA surface | Base (crushed aggregate) | Most recent construction/rehabilitation year | | Most recent overlay | Existing layer after milling |
| | STH 140 | 51 mm (2 in) | 102 mm (4 in) | 203 mm (8 in) | 1996 | | STH 11 | 114 mm (4.5 in) | 165 mm (6.5 in) PCC | 152 mm (6 in) | 1987 | | STH 23 | 64 mm (2.5 in) | 102 mm (4 in) | 330 mm (13 in) | 2004 | | STH 26 | 76 mm (3 in) | 83 mm (3.25 in) | 203 mm (8 in) | 1997 |
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