What metaphors are used in Song of Reasons by Robert Pinsky?

Example of metaphor:

So he held it and stood crying in the street: "He's breaking up my home," he said, "The son of a bitch Bastard is breaking up my home." The street Rose undulant in pavement-breaking coils And the man rode it Still holding his shoe and stiffly upright Like a trick rider in the circus parade That came down the street Each August.

The metaphor in the poem works on the surface by equating the two streets, but of course it is also the grief of the two men and the mechanics of emotional display that are truly the poem's metaphoric center.