I was driving to work from Salem, MA to Boston, MA on Hwy 128 S. around 5:55AM, near the Rte. 1 exit, I noticed a extremely bright greenish-white object up in the sky as plain as day. It was moving pretty fast, but I was able to follow it until I had to take the Rte. 1 exit. Once I dipped below the Hwy, I lost sight of it. When I got into work, two of my coworkers also said they saw it - one of which said that he watched it until it just disappeared, no trails or debris or anything - just gone.