This is some data: 16 August 2004 CLASS_4_(E.G._VAN) 6.00; DATE_INTRODUCED 16 August 2004; M6 Toll; 16 August 2004 CLASS_3_(E.G._CAR_WITH_TRAILER) 6.00.

Generate a detailed description of this data
The class 3 and class 4 tolls on August 16, 2004 were 6.00.