Complex sentence: Several road segments appear to be related to specific rooms attached to the rear of Chetro Ketl, which might indicate that these rooms, which are not accessible from the main building, were used for community storage.
Split into simpler sentences: Several road segments appear to be related to specific rooms attached to the rear of Chetro Ketl. This might indicate that the rooms, which are not accessible from the main building, were used for community storage.