Triangle over Sturbridge/Warren, MA

The report, as filed

I was driving east bound on the mass pike, maybe half a mile before mile marker 71, as you're cresting the top of a hill about to go down into a valley. I saw weird looking object, as what appeared to have a rhombus shape. With 2 inner circles that were emulating a whitish tan color. It also had blue lights at the top and bottom, and teal lights on the side (which appeared to be lighting the circles I spoke of... possibly). It also had 2 bight white flashing/pulsating lights in the middle. I've included a quick drawing, https://i.imgur.com/chiUAqR.png the 2 inner pulsating lights i just spoke of aren't shown. But there would be in the very middle between to the circles. The reason it caught my eye so much is the rapid speed it was moving in the horizon (right to left going east bound, so I would assume/guess north to south). I was going about 70MPH, and traveled only about .5 miles before it had traveled across my field of view. I was able to get down to the valley floor on the pike(about 3-5 miles away from where i made visual.) And looked to my right (south?), and I could still see its flashing lights off in the distance. I dont know what it was, my only two guesses where either a low flying twin prop plane, or a low flying Chinook (since its dual propeller, which could explain the 2 circles i saw). Having seen these two possibilities many times in night and day, neither really satisfied me as an explanation. However, both could appear as fast moving if they where close to the ground. It just seemed faster than that though. I have a decent knowledge of US military aircraft and civilian aircraft. To which I am just dumbfounded by what I saw, as I cant explain it.

Held as-reported from National UFO Reporting Center (record NUFORC #137482). Witness text is preserved verbatim, including its spelling; nothing is edited beyond formatting.