In the way or On the way?
In the way
Exemple : ‘’There is a big box in the way!’’
The preposition used in front of "the way" alters the meaning significantly. "In the way" is used to mean that there is something blocking a path.
On the way
Exemple : ‘’I'm on the way so I won't be long!’’
"On the way" is used to suggest that something has started in its journey to arrive.