Vehicles that normally travel at speeds less than _____ mph should display a slow moving vehicle sign

Question

Question: Vehicles that normally travel at speeds less than _____ mph should display a slow moving vehicle sign (OR: Vehicles should display a slow moving vehicle sign when traveling at speeds less than)

Options:

1.  15
2.  25
3.  35
4.  45

Answer 1

2.)  25 mph

Vehicles that normally travel at speeds less than 25 mph should display a slow moving vehicle sign.