The state Department of Transportation seems ready to run out the clock on a $10 deal to help electrify Long Island’s busiest LIRR line, Suffolk officials charged Monday.

Final deadline looms as Suffolk leaders urge New York State to finalize 40-acre transfer for Port Jefferson rail yard and eventual LIRR electrification.

A 200-mile corridor from Manhattan to Montauk Point would be a dedicated safe space for walkers, runners and cyclists.