PHILADELPHIA (AP) — The ticking departures board at Philadelphia’s main train station could make its own exit soon. But just how long the letters will continue to flip and signal passing trains at 30th Street Station remains in question.

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Amtrak spokesman Mike Tolbert says the plan to swap the Solari board with a digitized model is in its early design phase with no replacement timeline. A flipboard has directed station travelers for at least 35 years.

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Tolbert says the model has grown obsolete, making it difficult to find replacement parts.

Amtrak wants to improve the passenger experience with easier-to-read displays and says a digitized board with synchronized audio and visual components would comply with the Americans with Disabilities Act.

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