ALBANY – Two key lawmakers who stand between the Jets and a proposed West Side stadium sent fresh signals yesterday that they are more concerned about resolving questions surrounding the mammoth project than about meeting construction deadlines set by the team or Mayor Bloomberg.

The majority leader of the state Senate, Joseph Bruno, Republican of Rensselaer, and the speaker of the Assembly, Sheldon Silver, Democrat of Manhattan, have said for weeks they do not intend to rush final approval of the contentious $2 billion plan. But the two men have provided greater detail this week as to why they think the vote should wait.

Taken together, the recent comments of two men who are political adversaries on most days, and symbols of the differing interests of politicians upstate and downstate, suggest that the deadlines set by the leading political proponents of the stadium are unrealistic.

The Jets have pressed for approval of the New York Sports & Convention Center, their 75,000-seat domed stadium, by late May, as a condition for securing the 2010 Super Bowl. Mr. Bloomberg has pressed for approval before the International Olympic Committee meets in early July to decide on a host city for the 2012 Summer Games.

The team cleared a construction hurdle late last month when board members at the Metropolitan Transportation Authority voted to approve the Jets’ bid for air rights at a 13-acre parcel on the far West Side. The Empire State Development Corp., controlled by Governor Pataki, gave its approval two weeks later. Aside from the courts, where challenges to the deal have been filed, that leaves a final decision to the state’s Public Authorities Control Board, a five-member group whose only three voting members are chosen by Mr. Pataki, Mr. Bruno, and Mr. Silver. The governor, a supporter of the stadium, is pressing the two legislative leaders to take up the issue at the next board meeting, May 18.

On Tuesday, Mr. Bruno expressed concern that litigation could invalidate a final decision by the board. Yesterday, he added more reasons for holding off on a vote. In addition to the litigation, the Senate leader cited a poll’s finding that 60% of New York City residents oppose the stadium, the support some have expressed for building a new Jets stadium in Queens, and questions he has over how the Jets bid was approved.

“There are a lot of unanswered questions still unrelated to the litigation and trying to determine still the proper value for the air rights over the station with the MTA and rail yards,” Mr. Bruno said, “and there are many people in the city that contend the Jets ought to be in Queens, and that’s all a matter of debate, a matter of opinion.”

Mr. Bruno’s comments came one day after a coalition of advocacy groups and the city’s transit workers filed suit against the MTA on the grounds that the authority got less money than it could have for the air rights. The suit said an in-house appraisal had valued the development rights at more than $900 million. The Jets won the bid by agreeing to pay $250 million over four years. The public advocate for New York City, Betsy Gotbaum, filed another suit on similar grounds Tuesday, and an earlier suit was filed by Madison Square Garden, which had bid $400 million.

Sources at the Capitol said a group of legislators from the city is planning to file another suit by the end of this week. Several vocal opponents of the bill in the Legislature did not deny another suit was planned.

“I wouldn’t be surprised,” a Democratic senator, Thomas Duane of Manhattan, said.

Mr. Duane, who opposed the stadium and is a non-voting member of the Public Authorities Control Board, added: “I think the greatest concern everyone has right now is the price tag.”

Aside from their assertion that the MTA accepted too low of a bid, critics of the Jets deal have complained that Messrs. Bloomberg and Pataki agreed to contribute at least $600 million in public money to the project.

Mr. Silver, who suggested during a recent interview on WFAN radio’s “Mike and the Mad Dog” talk show that litigation could delay a stadium vote, repeated that concern yesterday. Mr. Silver said he “absolutely wants” the Olympics to come to New York City, but he gave no indication a decision would have to be made soon to secure the games.

“I haven’t precluded the West Side stadium,” Mr. Silver said. “I don’t intend to preclude the West Side stadium. But I don’t really believe that the people who vote on this, whether they are in Paris, London, Madrid, or Russia, care whether the stadium is in Manhattan, the Bronx, Staten Island, Queens, or Westchester for that matter.” Some of Mr. Bloomberg’s rivals in this year’s mayoral campaign have said the stadium should be built at an outer-borough site – a suggestion that is anathema to the Jets.

If Mr. Silver is unconvinced of the need to act on the stadium to satisfy the Olympic committee, he appeared even less convinced of the need to act on the project to satisfy the deadline of the Jets and the National Football League for the Super Bowl. Asked by The New York Sun if he was concerned about missing that date, Mr. Silver said: “You know what, if we don’t get it in 2010, the history is that if we eventually build an NFL stadium, we’ll get it in 2012 or 2013.”

A vice president of the Jets, Matthew Higgins, said the unhurried pace favored by Mr. Silver would result not only in the loss of the Super Bowl but in economic benefits to the city.

“It’s not just the Super Bowl at stake in May,” Mr. Higgins said. “Every day the New York Sports and Convention Center is delayed is another day thousands of people could be working on a project that will bring millions of dollars of economic activity to New York City.”