Select show routes, then scroll down to the bottom and pick options, on the options list you can avoid highways or toll roads. I use a mixture of modes to optimize my trips. I do a weekly 60 mile round trip to Needham, MA. I choose avoid highways for the first 20 miles of my trip because it shortens the trip and the roads are very scenic. For the last 10 miles I switch to highway mode unless Maps shows that there is a traffic jam. Switching to highway for the last 10 miles shortens the time significantly. Overall my travel time is almost the same as if I did all highway, but the distance traveled is shorter and the MPGe is much better. Yesterday's trip was 65 miles round trip, I had 5 miles left on my guess-o-meter when I got home.
Thanks, I like that site too. What I would really like to see is an app that would estimate the total regen captured assuming extended range mode (ICE) is used for climbing hills and on level roads. For example, I am planning a trip through several mountain passes of approx 400 miles with many long downhill runs so I should be able to regen a significant number of EV miles.
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