Wanderer

Lots of possibilities.

Loose lug nuts.

Bent rim.

Failed tire chord or sidewall.

Something in the linkage came loose, etc., etc.
How old are your tires? I have a 64 Fairlane that had a bad wandering problem. New suspension components,
tightened box, aligned for old car with radial tires. Tires had little wear but were 10 -11 years old. New tires
vastly improved handling.