Coach Brett Ratten hailed a newfound maturity after Carlton posted another precious AFL road win with a 62-point mauling of Port Adelaide on Sunday.

Rejuvenated Blue Andrew Walker kicked six goals as Ratten's charges flattened Port with 11 goals to one in the last half.

Carlton's 16.15 (111) to 7.7 (49) victory at AAMI Stadium was their third win in three matches outside of Victoria this season.

Ratten's outfit is entrenched in the top four but the Blues mentor was uncertain what they could ultimately achieve.

"There is no doubt we have improved, how far I'm not sure," Ratten said.

"With the season the way it's going to unfold, it's going to take a little bit of luck to keep your list on the field.

"But what we do have ... our depth at our football club is something very exciting."

Despite Walker kicking four goals in the first half, Carlton slipped three points behind Port at the main break.

But the Blues were powered by onballers Marc Murphy (32 disposals), Heath Scotland (28 possessions) and Mitch Robinson (34 touches) to a second half of complete dominance of Port.

Carlton held their host scoreless in the last term as the Power crashed to their ninth loss in 11 matches.

"That is the maturity of the group," Ratten said.

"The ability to change your thought process and adjust a lot quicker, it really helped us.

"There was a little bit of selfishness in the group in the first half ... it was a real mindset to change."

Walker, Jeff Gartlett (four goals) and Eddie Betts (two goals) reaped the rewards as the Blues logged their seventh win of the year.

Power coach Matthew Primus lamented his side's second half fade-out.

"We just weren't able to keep crashing in and negating them," Primus said.

"Their onballers ... just really got on top us.

"We probably hung in there in the third quarter but the writing was on the wall."

Port expect captain Dom Cassisi to return from a long-term knee injury after their bye next weekend.

And Carlton ruckman Matthew Kreuzer is pressing for selection against Brisbane next Sunday.

Kreuzer, who had a knee reconstructed after round 13 last year, has played three VFL games and was on-field more than 90 per cent of his weekend match.

"Does he need another one? Not sure," Ratten said.

"It is great to see him gets his hands on the ball, the boys love him and even as a coach, you admire his work ethic on and off the field.

"I'd like to put him in, but I'm not going to put him in when we don't think he's quite right, and we want to keep his momentum going when he does come in."

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