Some 350,000 commuters could soon be scrambling for other ways to reach their destinations if New Jersey Transit engineers walk off the job early Friday.

Beyonce fans might be better off riding a horse to next week’s “Cowboy Carter” concerts at MetLife Stadium if a strike shuts down NJ Transit rail service. NJ Transit’s train engineers could walk off the job as soon as Friday after Brotherhood of Locomotive Engineers members voted to reject a tentative agreement between the leaders of the agency and the union.

With a strike looming as soon as Friday, officials of NJ Transit and the Brotherhood of Locomotive Engineers met with the National Mediation Board on Monday in Washington. No agreement was reached. NJ Transit CEO Kris Kolluri thanked the board for convening the meeting in a statement,

Here's where displaced riders can catch a bus from Boxcar, a privately owned shuttle company, which intends to compensate for demand from travelers through added services.

The National Mediation Board has called representatives for NJ Transit and the Brotherhood of Locomotive Engineers to a meeting Monday in Washington, D.C., as New Jersey sits on the brink of its first major rail strike in four decades.