It's the answer to the questions: Should I call ahead and let my client know I'll be late? Are any lanes closed for construction? Will I make my tee time? Rand McNally Traffic puts you in control. It helps you plan, anticipate and arrive worry free. Get real-time traffic updates on your mobile phone. Know about traffic on your specific route ... before it's too late. Available every day, all day, accurate up-to-the-minute information with traffic maps by region, city, road or neighborhood showing: