The witness, who declined to give her name, asked Roethlisberger several times if he was OK.
He eventually replied, "My name is Ben."
He asked: "Where am I?"
"You're at the Armstrong Tunnel," the witness said.
"What city is that in?" he said.
"Pittsburgh," the woman replied.
Roethlisberger fell silent for about a minute and then tried to stand up.
"I'm OK," he said.
"No you're not," said the woman, who instructed him to stay still...
What kind of traffic control/signals for left turns at that intersection?