A: So where are the laundry rooms located? B: There is a laundry room located at the end of each hallway. A: Can I use them at any time? B: All laundry rooms are locked at eleven at night and re-open at seven in the morning. A: Do they use change? B: You should bring quarters for the washer and dryer. A: Can you buy detergent in the laundry room? B: Yes, there are detergent dispensers in the laundry room. A: Are there rules in the laundry room? B: Yes, if you leave your laundry in the machine unattended, people can just take it out and put it on a table so they may use the machine.