I dont have much experience riding on grooved cement....do you guys maintain the same speed ? slow down ? Change your riding position ? or just drive the same way as you would on regular pavement ? Does the bike get unstable at high speeds ?
Drive how fast you feel safe at! Everyone else be dammed. I’ve been on a few different sections of cement tarmac (417 East of Ottawa and 115 South of Peterborough come to mind) and sections of each tracked slightly differently. If you’re going to be on it regularly you get used to the feel soon enough and you’ll end up maintaining your speed. The only thing I really keep an eye out for pot holes as they usually are at connections of the cement pours. They are in a triangular shape usually as the corner has broken off and sunk to some degree. They‘re not pleasant to hit with any vehicle.
Lots of good advice already, slow to the point you feel comfortable but also be safe and not an obstruction. By that I’m saying if the speed limit is 60mph, traffic moves at 70mph and you’re riding at 45mph, you are putting yourself in danger by being far slower than the surrounding traffic. If that’s the case, find another route until you do feel comfortable.
My advice on grooved pavement is just to let the bike move around underneath you, stay loose on the grips and go with the movement it’s doing, don’t try to fight it. It will feel weird at first, but the more you do it and experience it, the more comfortable you’ll feel. We have a lot more grooved pavement in our area than we used to and a lot of metal grate bridges, and the feeling is very similar. But if you stay calm, let the bike move, and keep going, you’ll be fine.
Riding over grates, grooved pavement, etc makes the bike feel unstable but you actually still have plenty of grip and control. Don’t panic or tense up. Ride normally and relaxed and you will find it’s nothing to worry about!