NYC commuters may pay an additional 10 cents to ride MTA subways and buses next year if the agency’s $3-a-ride fare hike goes into effect as planned, according to a financial plan revealed to the MTA board on Wednesday.

The 3% increase means subway and bus rides would go up from $2.90 to $3.00 a ride, with fares in the OMNY system capped to $36 total for a seven-day period.

Fares on the LIRR and Metro-North railroads are also set to increase, jumping more than 4%.

The fare hikes would not go into effect until January, transit officials said Wednesday, in an effort to synchronize it with the end of the MetroCard and shift to OMNY at the end of the year.

Express bus fares would go up a quarter — from $7 to $7.25 — and be capped to $67 over a seven-day period.

On the LIRR and Metro-North Railroad, tickets would increase by an average of 4.4%. Monthly and weekly tickets also would go up 4.4%.

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The City Ticket, which allows for travel within city limits on the commuter railways, will go up by a quarter: from $7 to $7.25 during peak hours, and from $5 to $5.25 during off-peak.

Farebox revenue funds 26% of the MTA’s $19.9 billion annual operating budget — distinct from the five-year capital budget earmarked for large-scale improvement projects and partially funded by congestion pricing.

The proposal also includes a 7.5% increase on bridge and tunnel tolls.

The subway and bus fare last went up in 2023, when it rose from $2.75 to the current fare of $2.90.

The proposed hike still needs to go through a round of public hearings, and face a final vote from the MTA board. That vote is expected in the fall.

Mayor Adams, who appoints four voting members to the 14-vote board, on Wednesday called on the body to reject the fare proposal.

“Proposing a fare hike without demonstrating meaningful improvements is offensive to hard-working New Yorkers, and that’s why I’m urging all board appointees to vote no on this proposal,” Adams said in a statement. “We strongly oppose this fare increase and remain committed to fighting for a more affordable and equitable city.”

Transit officials said the toll increase, if approved, won’t go into effect before the end of the year.

The board also voted Wednesday to sign off on the Connecticut DOT’s plan to raise Metro-North fares on rides inside the Nutmeg State.

As previously reported, Connecticut is set to put a 5% fare increase in place along its portion of the New Haven Line in September, with an option to raise fares another 5% next year.