The song "Wheels of Thunder" by John Stewart is about the freedom and thrill of the open road. As a child, the singer dreamed of hitting the highway and feeling the wind in his hair. As he grew older, he became a "highway rider" and embraced the lifestyle of a traveling musician. The song describes the singer's love for his Chevy, which he sees as the perfect vehicle for his adventures on the road. He remembers the "backseat nights" with his girlfriend Sally, feeling the power of the car and the freedom it represented. The chorus of the song repeats the phrase "ride on the wheels of thunder," which suggests a sense of danger and excitement. The singer feels invincible on the road, taking risks and pushing his limits. He enjoys the thrill of "taking over" and "going under," perhaps referring to his success as a musician and his ability to overcome any obstacles in his path. Overall, "Wheels of Thunder" is a celebration of the American spirit of adventure and the joy of the open road. The song emphasizes the idea that sometimes the greatest freedom can be found in giving in to our desires and pursuing our dreams, no matter where they may lead us.
