The El Cap Shuttle and Day Use Express Shuttle services will begin operations on Friday, May 27, 2011. The services will operate from 9:00 AM to 6:00 PM daily through the summer. The El Cap Shuttle stops at The Visitors Center, Camp 4, El Cap Picnic Area, El Cap Crossover and the Four Mile Trail Head. The Day Use Express Shuttle operates between the Visitors' Center and the Day Use Parking Lot. Guests and Park Employees are encouraged to use the shuttles as an alternative to driving cars or trucks through the valley to help reduce congestion and improve air quality.