Scheme F99
Scheme F99 is the decision trees described in Truck Characteristics Analysis, FHWA July 1999 with all redundancy removed. Note motorcycles have been restored.
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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 | Aggregate |
|---|---|---|---|---|---|---|---|---|
| 1 | F1 | 2 | 0.00-6.00 | 1 (Light) | ||||
| 2 | F2 | 2 | 0.00-9.90 | |||||
| 3 | F3 | 2 | ||||||
| 3 | ||||||||
| 4 | 11.40-50.00 | |||||||
| 4 | 0.00-22.00 | |||||||
| 4 | F4 | 3 | 0.00-5.80 | 2 (Medium) | ||||
| 5 | F5 | 2 | 12.10-50.00 | |||||
| 5 | 9.90-31.70 | |||||||
| 6 | F6 | 3 | 0.00-18.80 | 0.00-5.80 | ||||
| 5 | 0.00-3.50 | |||||||
| 8 | F8 | 3 | 20.90-50.00 | 3 (Heavy) | ||||
| 4 | 24.70-50.00 | |||||||
| 4 | 12.60-50.00 | |||||||
| 4 | ||||||||
| 9 | F9 | 5 | 9.90-50.00 | |||||
| 5 | ||||||||
| 10 | F10 | 6 | 0.00-12.70 | |||||
| 11 | F11 | 5 | 9.90-40.00 | 11.80-50.00 | ||||
| 12 | F12 | 6 | ||||||
| 13 | F13 | 7-20 |