Many lawyers drive to and from their office. They can make productive use of that time. For example, they can listen to voicemail and return calls. They can jot down notes of what they need to do during the day or other ideas that will be useful. They can, like this blog author, dictate material to be transcribed later (See my posts of Nov. 20, 2006: dictation and productivity; Feb. 4, 2007: digital transcription technologies; Feb. 6, 2007: voice recognition software; and Feb. 23, 2008: references cited.).
Lawyers who commute can listen to tapes or CDs such as the Greatest Hits of Civil Procedure 101. Then again, lawyers can use drive time simply to think about work issues. All of these activities can turn a routine drive to or from work into a productive working session, or it can drive your Type-A side crazy (See my post of June 30, 2007: workaholism.).
My law department insists that I warn readers about the risk of automobile accidents and that I disclaim all liability.