Bicycles are parked where the sidewalk is wide.
The sidewalk is wide here.
If I want to say bicycles are parked on the wide part of the sidewalk or this part of the sidewalk is wide, are they correct?
Bicycles are parked where the sidewalk is wide.
The sidewalk is wide here.
If I want to say bicycles are parked on the wide part of the sidewalk or this part of the sidewalk is wide, are they correct?
The two sentences are correct.
But few people would use two sentences to convey that information when it's more natural to say:
Bicycles are parked here where the sidewalk is wide/wider/widest.