The worst ten feet of any Royal Oak winter is the ridge the city plow leaves across the end of a driveway, dense as wet cement and frozen solid by morning. MitchCo Concrete Removal and Snow Services takes that on along with everything behind it — plowing the drive, clearing walks and steps, opening the apron at the curb, treating the ice that gathers in the low spot by the garage. Older concrete around here heaves and dips, and snow work on it means knowing where a blade can ride and where it cannot. Done right, a driveway comes up bare and gray with nothing left to refreeze. On a February morning that is the whole difference between leaving on time and not.