North America’s largest commuter rail system, the Long Island Railroad (LIRR), is on the brink of a potential shutdown as a critical deadline approaches for reaching a new contract with its unionized workforce. The looming strike threatens to disrupt the daily commutes of hundreds of thousands of New York City residents who rely on the service. For months, the LIRR, which serves the city’s eastern suburbs, has been engaged in tense negotiations with labor officials representing locomotive engineers, machinists, signalmen, and other essential train workers. A potential strike was temporarily averted in September when Donald Trump agreed to intervene. However, those efforts concluded without a resolution, initiating a 60-day period that expires at 12:01 a.m. Saturday, after which unions are legally permitted to strike, or the agency could lock out workers. Five labor unions, representing approximately half of the train system’s 7,000 employees, issued warnings this week about the rapidly approaching deadline.…