I know I sometimes talk too much about my first-world problems. Yesterday, I was complaining about smelly dumpsters. Today, I’m talking about something that goes hand-in-hand with those dumpsters; that’s cement mixers and dump trucks. I’ve complained about dump trucks before, about my frustration with their signs telling you to stay back 200 feet. Due to the constant construction, there are a lot of cement trucks in Nashville. And this isn’t just a Nashville problem. It happens no matter where there’s construction. Cement mixers don’t move quickly and often have trouble staying in their lane…