Driving, in this short poem, feels like both a release and a kind of surrender. The opening image treats the road as a "godfather," something powerful that grants the speaker "a strange liberty." The word "strange" matters: the freedom isn't simple or joyful. It comes from moving with no goal, "going without purpose / of doing anything / just going."
Then the tone shifts with the blunt line "I broke down." It could mean the car stopped, or that the speaker broke emotionally, and the poem seems happy to leave both readings open. Judging by the final lines, the speaker is thinking about time and loss. "The old grammar / of time and ash" suggests the rules of mortality, with endings and decay, are rigid and unavoidable, however far you drive. The mood is quiet, restless, and a little bleak. The road offers escape, but it can't fully outrun what the speaker is carrying.