I literally just drove to Cordoba and back this week (well my father in law drove but I was passenger) and to start with, the scenery is all the same. Flat, boring fields and there’s not many other cars so good luck staying awake. In terms of speed traps, just be really careful once you enter Cordoba province because the police there are really “on it” when it comes to road safety checks. There are many checkpoints, we got pulled over twice. If you don’t have your seatbelt on you can expect a big fine. Also I think its compulsory to have headlights on there, but you might want to double check that. There’s lots of service stations to stop at that serve overpriced burgers etc, but the only restaurant i saw was in buenos aires province, about 1 hour and a half from capital. Also, the roads in santa fe province are shit. Lots of potholes and bumps in the road so keep your eyes out