Transportation in Irwindale is best via rental car or ride-sharing services to get to the various locations. Parking is available at all the listed tourist spots with additional fees in some locations. It's advisable to travel during non-rush hours to avoid traffic congestion.
If you have more time, you can include a visit to the Los Angeles County Arboretum and Botanic Garden, or the Eaton Canyon Natural Area. For foodies, head to Downtown Los Angeles for some of the best street food and restaurant options in the area. If you have less time, prioritize the top attractions Universal Studios Hollywood and the Huntington Library.