North Texas Region and even extends into part of Oklahoma. The company is a regional transit agency that serves the Texoma region. Two major routes run through the Sherman-Denison metroplex, one known as the Viking route because it is funded by Grayson County College and the other is known as the Roo Route and is funded by Austin College. In addition to this both Sherman and Denison each are served by a 24-hour cab service. Airports Attractions Lake Texoma Lake Texoma is one of the largest reservoirs in the United States, the 12th largest US Army Corps of Engineers' (USACE) lake, and the largest in USACE Tulsa District. Lake Texoma is formed by Denison Dam on the Red River in Bryan County, Oklahoma, and Grayson County, Texas, about upstream from the mouth of the river. It is located at the confluence of the Red River and Washita Rivers. The damsite is approximately northwest of Denison, Texas, and southwest of Durant, Oklahoma. Lake Texoma is the most developed and most popular lake within the USACE Tulsa District, attracting approximately 6 million visitors a year. Diverse recreational opportunities include two wildlife refuges, two state parks, fifty four USACE-managed parks, twelve marinas, twenty-six resorts, hundreds of campgrounds and a variety of excellent golf courses. Power boating, sailing, personal watercraft, water skiing and wind surfing are all popular. The lake has become a major sailing center based on its size, depth and miles of sailing shoreline. During the spring break and Fourth of July holidays, many college students home for the holidays will gather in an area called "Fobb Bottom" on the Oklahoma side. Lake Texoma is also home to the Lakefest Regatta, widely considered to be the first inland charity regatta in the United States. The event typically attracts up to 100 keelboats and more than 500 sailors each spring. Since its inception, Lakefest has raised more than $2 million in support of various children's charities in North Texas. The current beneficiary is the Make-A-Wish Foundation® of North Texas. Former professional Funny Car race driver "Flash" Gordon Mineo organized many "Poker Run" events on Lake Texoma. The lake was stocked with striped bass in the late 1960s, and has proven to be an excellent habitat for them. It is one of the seven U.S. inland lakes where the striped bass reproduce naturally, instead of being farmed and released into the waters. The "stripers"