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After more than six decades without a rail line to call their own, traffic-choked neighborhoods on the Westside are awaiting the Expo Line’s arrival with mounting excitement.

But beneath the anticipation of the May 20 launch is a lingering concern: Parking. Four of the seven new Expo Line stations will not have dedicated spaces for transit riders. The other three have a combined 544 spots, which are expected to fill up early.

The lack of parking could pose a challenge for some commuters hoping to use the first Los Angeles rail system to reach Santa Monica in more than 60 years, particularly those who don’t live along major commercial and residential corridors.

The Expo Line runs several miles south of dense commercial districts along Wilshire Boulevard, which will eventually be served by the Purple Line subway.

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