Detailed Instructions: Given a text passage, come up with an appropriate title for it. The title should accurately represent what the main focus of the passage is. The title of a passage may be present in the first few sentences of the passage and/or be referred to multiple times in the passage. The title should be 1-5 words long.
Q: The Arroyo Seco Parkway , formerly known as the Pasadena Freeway , is the first freeway in the Western United States . It connects Los Angeles with Pasadena alongside the Arroyo Seco seasonal river . It is notable not only for being the first , mostly opened in 1940 , but for representing the transitional phase between early parkways and modern freeways . It conformed to modern standards when it was built , but is now regarded as a narrow , outdated roadway . A 1953 extension brought the south end to the Four Level Interchange in downtown Los Angeles and a connection with the rest of the freeway system .
A:
Arroyo Seco Parkway