Arrows showing "Improvement" pointed leftward, and the following table
| Current Vehicles | Rearward Amplification |
|---|---|
| STAA Double: van, 28x28, 80,000 Pounds | 2.15 |
| Tractor Semi Trailer, van, Single- Trailer, 80,000 Pounds | 1.244 |
| Rocky Mountain Double, hopper, 35x20, 105,500 Pounds | 2.294 |
| Rocky Mountain Double, hopper, 38x20, 109,250 Pounds | 1.859 |
| Rocky Mountain Double, hopper, 44x31, 123,000 Pounds | 1.619 |
| Rocky Mountain Double, hopper, 38x28, 123,000 Pounds | 1.663 |
| Rocky Mountain Double, hopper, 38x27, 127,500 Pounds | 1.678 |
| Rocky Mountain Double, hopper, 38x27 128,000 Pounds | 1.669 |
| Scenario Vehicles | Rearward Amplification |
|---|---|
| Turnpike Double, van, 45x45, 129,000 Pounds | 1.37 |
| Turnpike Double, van, 48x48, 129,000 Pounds | 1.28 |
| Rocky Mountain Double, van, 48x28, 117,000 Pounds | 1.58 |
| Rocky Mountain Double, van, 48x28, 113,000 Pounds | 1.53 |
| Triple A-train, van, 28x28x28, 118,500 Pounds | 2.719 |
| Triple C-train, van, 28x28x28, 118,500 Pounds | 1.66 |
| Truck Trailer, tanker, 38, 114,300 Pounds extended hitch offset | 1.71 |
| Truck Trailer, tanker, 38, 114,300 Pounds | 1.45 |
| Rocky Mountain Double, tanker, 41x22, 117,000 Pounds | 1.92 |
| B-train, tanker, 41x22, 117,000 Pounds | 1.13 |
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