Query: What's Your Dream Transportation Tool?

What online transportation tool do you wish existed for the region? Think of what might help you better understand transit issues or improve your commuting experience. Examples on our site are the taxi calculator and the traffic incidents map.

Send us your ideas and later we'll hold a vote for readers to select their favorite. Either respond in the comments below or email us at tellus@washingtonpost.com.

Once we get your input, we'll see about building the best ideas.