I surveyed the legislative transparency of 125 legislatures, including the 99 state legislatures (Nebraska has a unicameral legislature), 2 houses of Congress, and 25 largest metro area city councils. The paper, published in the Journal of Information Technology & Politics, is "The Dismal Politics of Legislative Transparency."
Use redistricting juries and take advantage of Maryland's state constitutional convention referendum
For an accessible introduction to these recommendations, see my Feb. 12, 2012 Washington Post op-ed, "It will take a con-con to untangle Maryland’s gerrymanders." For more background, see www.MarylandConCon.org.