There's Light at the End for Tunnel Repair Project; A $14-million effort to fix a train portal under the Santa Susana Mountains should be completed today.: [Valley Edition]

For weeks, Metrolink crews have been working around the clock to restore railroad track in a tunnel beneath the Santa Susana Mountains linking Chatsworth and Simi Valley.

The $14-million railroad construction project, scheduled to be completed today, has involved removing existing track, excavating soil and installing water pumps, new track and support bolts along the tunnel lining, transportation officials said.

The strengthened and smoothed track will be able to accommodate trains traveling from 25 mph to 40 mph, officials said. Conductors had been operating the trains at slower speeds because of the dilapidated track.

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The 1 1/2-mile, 16-foot-wide historical rail portal runs under the Santa Susana Mountains along the...