# What did Tamar do when she heard that Judah was going to Timnah?

Tamar took off her clothing of widowhood, put on a veil and wrapped herself, and sat by the road to Timnah. 

# Why did Tamar do this?

Tamar did this because Judah's third son Shelah had grown up, but she had not been given to him as a wife. 