MAHWAH, N.J. -- A FedEx truck has overturned in northern New Jersey, spilling dozens of packages on what is typically the delivery company's busiest day of the year The crash occurred at around 2:45 a.m. Monday on Interstate 289 in Mahwah.Authorities say the driver lost control of the double-trailer and veered off the right side of the road, then went down a grass median and ended up on an exit ramp.The driver was treated for minor injuries.FedEx officials say company crews got to the scene shortly after the crash and quickly reloaded packages to help reduce possible delivery delays.FedEx says it's typically their busiest day of the year, with just 10 days to go before Christmas.