If you can get them to tailgate the rock down your driveway, then a box blade, rear blade, or land plane would work. For driveway work, you'll probably see a land plane most often recommended for maintenance.
I use a rake for light crown restoration then pull a rear blade turned backwards for smoothing.
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I use a rake for light crown restoration then pull a rear blade turned backwards for smoothing.
Sent from my SM-N970U1 using Tapatalk