This page details bugs of Mickey's Speedway USA (Nintendo 64).
Missing Collision#
A small section of the sidewalk in New York lacks any collision (the area highlighted in white), so you'll just fall right through it. This was never fixed in any version of the game.
(Source: Original TCRF research)
Invisible Glitch#
Backing up into a particular wall in Oregon causes almost all graphics to disappear.
(Source: Original TCRF research)