Soapy Joe's Car Wash on Friars Road in Grantville, San Diego, operates a high-throughput express tunnel at 10383 Friars Road in the 92120 ZIP, processing vehicles through a conveyor-fed wash system that includes foam application, cloth friction cleaning, high-pressure rinse arcs, and a forced-air drying chamber. The Friars Road location sits adjacent to the Grantville Trolley station and the retail corridor that connects Mission Valley to the residential neighborhoods of Allied Gardens and San Carlos. Free vacuums, microfiber towels, and air fresheners are available at a self-service island after every wash, and Wash Club members get unlimited tunnel access with an RFID-equipped windshield sticker that works across all Soapy Joe's locations in San Diego County. Dealerships along the Friars Road and Mission Gorge corridor, including DCH Honda of Mission Valley, use the tunnel for lot inventory prep and customer-delivery washes on new and certified pre-owned vehicles. Soapy Joe's environmental program runs an advanced water-reclamation system that filters, treats, and recycles wash runoff rather than routing it to the municipal storm-drain system — a process that earned the brand the International Carwash Association's Water Savers designation. Upgrade tiers include ceramic-shield coating, hot-wax sealant, and underbody flush, each adding a layer of surface protection beyond the base exterior wash. All cleaning agents in the tunnel system are biodegradable, and the company holds a Guinness World Record related to its car-wash operations. Rental-return customers from Sensible Car Rental in College Area frequently run through the Friars Road tunnel to meet vehicle-return cleanliness requirements before dropping off. The Friars Road site is the Soapy Joe's location closest to SDSU, drawing foot and trolley traffic from the campus via the Green Line connection at the Grantville station.