This week's biggest headlines in transportation:
- New letter names unveiled for all Los Angeles train lines
- Emissions report: cars are still our biggest problem
- Virgin plans to connect Las Vegas and Southern California with electric high-speed rail
- Bus signal priority systems expanding in California
- Metro expansion to connect Blue, Gold & Expo Lines begins
- New bike lane on Griffith Park Blvd
- 9 tips for taking transit in LA
- Taxi drivers strike at LAX, demanding to be allowed back to terminals for pickups
- Los Angeles Metro hopes for private sector rail deals before 2028 Olympics
- Metered parking planned for Abbot Kinney
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