GP40-2 #6227 assists turning the bigger power on the Guilford/Amtrak/CSX wye. I speculate that the pair is needed to go west but needs to be turned because the SD40-2 does not have cab signals.
After being turned on the Guilford/Amtrak/CSX wye in Springfield (CP 98), this lashup heads back across the Connecticut River to West Springfield Yard.
Amtrak 105 pushes its one amfleet coach and cabcar across the Farmington River as it approaches Windsor Station catching some sweet sunlight on a very cold morning.