Haunted Tunnel Flag ListingReturn to Directory Last Updated 10/18/2023 Address 737 34th Ave SW City Altoona State IA Zip Code 50009 Directions At Rocket Carwash. Category Car Wash, Commercial Haunts, Family Friendly Dates Oct 27-28, 2023. 7pm-10pm. Admission $15 for non-members, FREE for members. Ticket Sales https://rocketcarwash.com/haunted-tunnel/?fbclid=IwAR2eL0kjXTvvG7Ur4-V54n1YWCX_akM8A7xR2tzpLoBH5KMiDFTCJnf9BGM