I created one playlist on Spotify for pretty much the same reason. If you have how to connect your phone with your car by cable or Bluetooth it is a good option.
https://open.spotify.com/user/12160222872/playlist/3xgdqfsZQslaz314yHeQcPor
spotify:user:12160222872:playlist:3xgdqfsZQslaz314yHeQcP (to use on Spotify app)