Here's a satellite view of the rest area with the charging stations: https://maps.google.com/maps?q=milford+travel+plaza&hl=en&ll=41.246226,-73.009523&spn=0.00

Here's a satellite view of the rest area with the charging stations: https://maps.google.com/maps?q=milford+travel+plaza&hl=en&ll=41.246226,-73.009523&spn=0.002869,0.001907&sll=41.184855,-73.199158&sspn=1.035587,0.97641&t=h&hq=travel+plaza&hnear=Milford,+New+Haven,+Connecticut&fll=41.24627,-73.009147&fspn=0.001283,0.001907&z=19 https://maps.google.com/maps?q=milford+travel+plaza&hl=e... The street view here is outdated but I'm pretty sure you would see them immediately as you exit off the highway and, end to end, the rest area is about 0.25 miles. I don't think there's any other way to accumulate 0.6 miles in this rest stop without driving around in circles.