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Update: M Ocean View Bus Substitutions for Safety and Transit Improvements

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Work has begun on the pedestrian safety improvements in and near 19th Avenue and Junipero Serra, along Muni's M Ocean View line. The work near the tracks on four weekends starting Oct. 28 will require M service to be substituted by buses. The track replacement and other planned work on 19th between Winston and Eucalyptus drives has been postponed until 2018. 

Improvements being made include building a new pedestrian island crossing on 19th Avenue at Junipero Serra Boulevard, installing vehicle safety measures at the track entrance, and upgrading traffic signals. 


The intersection of 19th Avenue and Junipero Serra Boulevard will be undergoing improvements.

M Ocean View Bus Service

Weekend bus substitutes will run on the following weekends:

  • October 28-30
  • November 4-6
  • November 11-13
  • November 18-20

On four weekends, M train service will be substituted by buses. From start of service Saturdays until the start of regular train service Monday mornings, buses will run between West Portal and Balboa Park stations. Trains will resume regular service on Monday mornings. Muni customers may check Nextbus for bus arrivals times and should plan for more travel time. 

M line served by buses between West Portal and Balboa Park station

This map shows the bus bridge stops in the contruction area. Click on the image for the full-size map, or download a PDF version of the map.

Driving on 19th Avenue

There may be a partial lane closure on 19th Avenue or Junipero Serra at times to allow crews to work next to the sidewalks. Construction is expected to be completed before Thanksgiving, weather permitting.

More Information

Sign up for project updates and learn more about improvements being made on the M Ocean View Improvements Project website.

Contact Public Information Officer Kelley McCoy ( or 415-646-2551) with questions about the project.