This week's biggest headlines in transportation:
- Metrolink to offer free train rides on Earth Day
- Walking all 25 miles of Sunset Boulevard in a day reminded us why we love L.A.
- Caltrans releases 5-year progress report on state bicycle and pedestrian plan
- Long Beach Transit plans for a greener future during 60th anniversary celebration
- LA Metro offers free bus rides to Dodgers home games
- UCLA plans to add more EV charging stations, support sustainable transportation
- LA Metro turning 30
