Metro-North's busy and aging New Haven line needs $3.6 billion in infrastructure work by 2020 to keep the rail running smoothly and in good repair, according to a study released Thursday.

The Regional Plan Association's report said the most expensive investment -- replacing or renovating five century-old movable bridges in Connecticut -- has a $2.8 billion funding gap. Other investments include an additional $330 million to expand the New Haven rail yard, $300 million for signal and communication systems work and $85 million for station and platform repairs.

Connecticut Department of Transportation spokesman Judd Everhart said the agency in recent years has invested about $2 billionfor new rail cards, the line's overhead catenary wire system, station improvements and maintenance at the rail yard.

Roadwork forces Sunrise Highway closures ... Huntington diner closed for now ... HS softball champions Credit: Newsday

Disturbing details in Jor'Dynn Duncan death ... Notorious killer's home for sale ... Huntington diner closed for now ... Out East: Long Island Game Farm

Roadwork forces Sunrise Highway closures ... Huntington diner closed for now ... HS softball champions Credit: Newsday

Disturbing details in Jor'Dynn Duncan death ... Notorious killer's home for sale ... Huntington diner closed for now ... Out East: Long Island Game Farm

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