Completely turn off new Google Maps and go back to old one

1.     Go to http://maps.google.com
2.     Click the Help button (white question mark in a blue circle) at the bottom.
3.     Click Return to classic Google Maps.
4.     Click Yes in the notification bar that appears.
5.     On the landing page that appears, follow the instructions to opt out permanently. 
6.     Any feedback you could provide as to why you wanted to opt out will be valuable in    improving the product for you in the future.