Scheme F2
Scheme F2 is an implementation of the FHWA's visual classification scheme as an axle-based classification scheme. This is one of several interpretations.
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Units: Non-metric (ft)
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Car class: 2
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Unclassifiable vehicle class: 14
| Class | Type | Axles | SP1 | SP2 | SP3 | SP4 | SP5 | SP6 | SP7 | SP8 | Aggregate |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | F1 | 2 | 1.0-6.0 | 1 (Light) | |||||||
| 2 | F2 | 2 | 6.0-10.2 | ||||||||
| 3 | 6.0-10.2 | 6.0-18.0 | |||||||||
| 4 | 6.0-10.2 | 6.0-18.0 | 0.0-6.0 | ||||||||
| 3 | F3 | 2 | 10.2-13.0 | ||||||||
| 3 | 10.2-13.0 | 6.0-18.0 | |||||||||
| 4 | 10.2-13.0 | 6.0-18.0 | 0.0-6.0 | ||||||||
| 4 | F4 | 2 | 20.0-40.0 | 2 (Medium) | |||||||
| 3 | 20.0-40.0 | 0.0-6.0 | |||||||||
| 5 | F5 | 2 | 13.0-20.0 | ||||||||
| 6 | F6 | 3 | 6.0-23.0 | 0.0-6.0 | |||||||
| 7 | F7 | 4 | 6.0-23.0 | 0.0-9.0 | 0.0-9.0 | ||||||
| 5 | 6.0-17.0 | 0.0-6.0 | 0.0-6.0 | 0.0-6.0 | |||||||
| 6 | 6.0-17.0 | 0.0-6.0 | 0.0-6.0 | 0.0-6.0 | 0.0-6.0 | ||||||
| 8 | F8 | 3 | 6.0-17.0 | 14.0-40.0 | 3 (Heavy) | ||||||
| 4 | 6.0-20.0 | 0.0-6.0 | 6.0-40.0 | ||||||||
| 4 | 6.1-17.0 | 14.0-40.0 | 0.0-6.1 | ||||||||
| 9 | F9 | 5 | 6.0-22.0 | 0.0-6.0 | 6.0-40.0 | 0.0-12.5 | |||||
| 5 | 6.0-22.0 | 0.0-6.0 | 6.0-23.0 | 1.1-23.0 | |||||||
| 10 | F10 | 6 | 6.0-22.0 | 0.0-6.0 | 0.0-40.0 | 0.0-11.0 | 0.0-11.0 | ||||
| 7 | 6.0-22.0 | 0.0-6.0 | 0.0-40.0 | 0.0-13.0 | 0.0-13.0 | 0.0-13.0 | |||||
| 11 | F11 | 5 | 6.0-17.0 | 11.0-25.0 | 6.0-18.0 | 11.0-25.0 | |||||
| 12 | F12 | 6 | 6.0-22.0 | 0.0-6.0 | 1.0-25.0 | 6.0-18.0 | 11.0-25.0 | ||||
| 13 | F13 | 7-9 | 0.0-40.0 | 0.0-40.0 | 0.0-40.0 | 0.0-40.0 | 0.0-40.0 | 0.0-40.0 | 0.0-40.0 | 0.0-40.0 |