A lot of road bikes won't take much bigger than a 23c. IMHO, that is too small for commuting on rough roads. I suggest reversing the numbers. I use 32c Pasela TG
tires, and they are good commuting tires.

It's not unusual to see a roadie by the side of the road fixing a flat. If I get more than one flat a year I get a better tire. I didn't get even one last year (now I've done it