This week's biggest headlines in transportation:
- Work remains steady on Purple Line subway project
- LA Metro construction closes certain lanes on Wilshire Boulevard till Sept. 20
- U.S. doubles fines for people who disobey mask rule on public transit
- Metro expands ride-hailing service to Northwest Valley
- New two-way protected lanes on Elenda in Culver City
- Metrolink, Caltrans and USGS pilot earthquake early warning system
- Feds prep $10 billion more for high-speed rail
- Bus priority lanes coming to La Brea Avenue
- Metro adds San Fernando Valley zone to on-demand service
- Tour of future Gold Line station sites
- Bus lanes update: La Brea, Olive/Grand, and more Alvarado coming soon
- AVTA resumes regular local and commuter service schedules
