Holiday Traffic
It has been my experience that traffic from Germantown to Frederick on the last work day before a holiday is terrible. I frequently take back roads home rather than fight the traffic on I-270. The back roads usually take me 50-55 minutes, but I have never written down how long the ride up 270 takes.
Today was the last work day before the 4th of July, and we were sent home at 3:00 PM. I left the parking lot at 3:40 PM, and I got home at 4:35 PM for a 55 minute ride which is about the same as the back roads. The traffic was bad, but I am sure it has been worse. I suspect that if I left at 5:00 PM, it would have been a lot worse.