Ventilation test today and Thursday on Expo Line — the smoke is just a test

Here’s the news release:

Metro today from 9 a.m. to 3 p.m. will conduct a ventilation test on the Expo light rail line, inside the trench between Jefferson Boulevard at Flower Street and Expo Park/USC Station at Exposition Boulevard. The testing will continue Thursday, August 4, under the same schedule. Residents, pedestrians and motorists, should be aware that smoke may be visible at street level but it is odorless and not toxic.

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2 replies

    • Hi Luis;

      It’s a test that air can be vented properly from the short tunnel under Figueroa. The ability to vent air is needed in all rail and car tunnels.

      Steve Hymon
      Editor, The Source