~2 weeks prior to booking, I asked to cancel booking but Expedia could not obtain any sort of refund. Motel said that I should have booked a different rate. However, I saw no obvious option for this on Expedia.
So I did not use the booking. I decided not to cancel because then the motel could have let the room again an profited further.
I also heard, so cannot verify, that motels are also used for emergency accommodation. This is not advertised. that means you could be in the same place as people not interested in having a quite time to rest/sleep.
I can say that I will not book this motel in future, and that I will be wary of Expedia... I should have got a refund, or at least a partial refund.