Calculate
Braking g's
Sample Form Results
Braking g's
Calculation
Calculate
Braking g's
Sample Form Results
Braking g's
Calculation
| 1. | Distance from Stop Line to point vehicle must be at or past when light changes Red (di): |
0 ft | = 0 m |
| 2. | Vehicle Speed (vo): | 35 mph | = 56 km/hr |
| 3. | Yellow Light Duration (ty): | 3.5 sec | |
| 4. | Driver Reaction Time (tr): | 2.3 sec |
| 21.39 | ft/s2 | = | 14.6 | mph/sec |
| 6.52 | m/s2 | = | 23.5 | kmh/sec |
| Braking (Gb) = 0.66 g's |
| dy = | 179.7 ft | = 54.76 m |
| do = | 179.7 ft | = 54.76 m |
| dr = | 118.1 ft | = 35.99 m |
| ds = | 61.6 ft | = 18.78 m |
| ts = | 2.4 sec |
Police Traffic Radar Handbook
Sample Calculation