Uncle Hammer's car was very similar to Mr. Grangers. While driving on a bride, Granger himself stopped for his car to pass, thinking he was a white person. When Granger realized that he was black, he threatened the Logan family.
Explanation:
The bridge was a one-way road, and cars had to share it when driving because it was so thin. Black people didn't have cars in that area, so it was a surprise when the Logan family drove by.
