No road trip is complete without a song blaring out the window, so CMT hits the highway and counts down the best cruisin' music of all time in CMT 40 Greatest Road Songs. Country hitmaker Dierks Bentley is at the wheel as host of this new two-hour CMT special. CMT 40 Greatest Road Songs explores the romance of the open road with America's favorite touring tunes including Alan Jackson's ""Drive,"" Keith Urban's ""Where the Blacktop Ends,"" George Strait's ""Amarillo by Morning"" and Roger Miller's ""King of the Road."" CMT 40 Greatest Road Songs includes interviews with artists whose livelihoods are centered around life on the road including Urban, Rascal Flatts, Brooks & Dunn, Montgomery Gentry, Tanya Tucker, Blake Shelton, Julie Roberts, Glen Campbell, Radney Foster, Lee Ann Womack, Brad Cotter, Katrina Elam and the Mavericks' Robert Reynolds. Talking about constant touring in the early days of her career, country dynamite Tucker says, ""I remember sometimes my dad would let me drive our old b