# Distance Traversed by Opposing Vehicle

Written by Jerry Ratzlaff on . Posted in Civil Engineering

Distance traversed by opposing vehicle, abbreviated as $$d_4$$ is the distance traveled by a vehicle coming toward you.

## distance traversed by opposing vehicle formula

 $$\large{ d_4 = \frac{ 2 \; d_2 }{ 3 } }$$ $$\large{ d_4 = \frac{ 2 }{ 3 } \; d_2 }$$

### Where:

 Units English Metric $$\large{ d_4 }$$ = distance traversed by opposing vehicle $$\large{ft}$$ $$\large{m}$$ $$\large{ d_2 }$$ = distance while passing vehicle occupies left lane $$\large{ft}$$ $$\large{m}$$