times (or spaces) where you actually move your vehicle from the space you are on. those two times are (1.) when you are instructed to “go to city airport” - in which case you follow the rule for city airport (see rules) - and (2.) when you are instructed to “go to space 101 in the center of the game board” - and, in this case you move your vehicle to space 101 and follow the instructions read aloud for that space.
there are several other places named on the game board where you purchase a service or food (or other items) or where you a penalized or receive a reward. 