What obstacles does the turtle encounter in the turtle John Steinbeck?

In John Steinbeck's "The Grapes of Wrath," the turtle faces several obstacles during its journey across the road, symbolizing the struggles of the migrant families. It encounters rough terrain, cars speeding by that threaten to crush it, and the challenging environment that makes its progress slow and arduous. These obstacles reflect the broader themes of resilience and perseverance in the face of adversity that characterize the novel. Ultimately, the turtle's determination to move forward despite these challenges serves as a metaphor for the human spirit's struggle for survival.