Who is the speaker of poem southbound on freeway?

The speaker of the poem "Southbound on the Freeway" is not explicitly identified, but it is generally understood to be the poet Joy Harjo herself. The poem is written in the first person, and the speaker's experiences and observations are deeply personal and introspective. The speaker reflects on her own life, her relationship with her family, and her place in the world, offering a glimpse into her own thoughts and emotions. While the poem does not provide specific biographical details about the speaker, it is clear that the speaker is a woman with a strong connection to her Native American heritage and a deep appreciation for the natural world.