Luke Donald tees of on the 7th hole of a practice round Monday. (Ricky Carioti/WASHINGTON POST)

The US Open is making traffic really annoying.less than a minute ago via TweetDeck Favorite Retweet ReplyAaronAkins

Hard to believe the US Open hasn’t been at Congressional since 1997. Seems like I am still stuck in that traffic.less than a minute ago via TweetDeck Favorite Retweet ReplyKaren

If you’re one of the spectators, here’s some need-to-know news about the shuttle situation. And if you’re one of the commuters cursing the golf crowd, we need your help with firsthand traffic reports.

Send us your firsthand traffic report on the U.S. Open

Use #GolfTraffic on Twitter to tell us what you dealt with on your commute or area travels during the event. (We don’t recommend tweeting from your car on a packed highway, so wait until you’re somewhere safe to tweet us.)

You can also leave a voicemail at 202-643-9276. We’ll post your audio responses back here in this blog. In the meantime, good luck.

More news:

• The U.S. Open tends to produce unlikely first-round leaders who usually fade by the end of the tournament.

• Find tee times for the first and second rounds here.

Forecast looking forward to Thursday.