The phrase "rolling smoothly" is correct and usable in written English.
It is typically used as an idiom to describe something that is progressing in a positive way without issues or obstacles. For example, you could say "The project is rolling smoothly, and we should have it finished within the week."
With luck I will get the survey process rolling smoothly and mailings out promptly!
With the two economies now so closely meshed, keeping trucks and trains rolling smoothly across the border during what is set to be a long, hard winter has become a national priority.
Last November, after years of rolling smoothly toward anticipated certification, production and delivery of its first aircraft this year, Eclipse suffered a tremendous setback when the lightweight engines to be produced for the jets by Williams International failed to meet requirements.
"We were rolling along smoothly when suddenly there was a big bang, like when you go on the bumper cars, but a lot more powerful," Mr. Duckers said in an interview posted on the Web site of La Libre, a Belgian newspaper.
Hamilton said: "Today's qualifying session was one of the best I've ever driven - the whole car was just rolling so smoothly - it felt fantastic.
However, these test flights will be hard to miss, and will be a sure sign that the process is rolling along smoothly.
Remember to roll smoothly!
The areas lying between the streams are broad, little-dissected, smoothly rolling surfaces that provide the land for Oregon's large wheat ranches.
Mr. Cohn's 1991 hit, "Walking in Memphis," sums up his style: smoothly rolling chords, a supple, soul-inflected voice and a kindly outlook.
Sixteen permanent monitoring wells were installed in four different topographic settings along the smoothly rolling landscape, covering the three phases of a maize soybean wheat/soybean rotation, common in the region.
Anyway, things were rolling along relatively smoothly and the lunch itself was very good, as was the venue he chose.
