Blind spots can practically be eliminated by properly adjusting (and using!) the side view mirrors. Most drivers have them set them too far in. If the driver can see the side of their own vehicle, they have them set improperly for minimizing blind spots.

CLICK HERE and watch the graphics toggle between too narrow, too wide, and correct. Notice the coverage properly adjusted mirrors can provide.

By the time a vehicle is out of a properly set side mirrors view, the driver should be able to see it out the side window.