For the absolute best traction and safety in winter driving conditions there is no substitute for a good quality snow tire.
Through years of testing on all kinds of vehicles by the tire manufacturer's, statistics say there is an average of 30% more snow traction with a snow tire than and all season. “That is a ton” of extra traction.
All motor vehicles registered in Pennsylvania need a PA State Inspection once a year. Most commercial and passenger carrying vehicles are inspected on a semi-annual basis. The reason for vehicle inspection is simple. SAFETY!
Short of getting ackerman angles, center of gravity, roll centers and twenty or so other terms most people don’t want or need to understand. Here is alignment in a nutshell. Simply stated there are really only 3 angles that control an alignment on cars and trucks.