With cell-phone related crashing costing $43 billion a year and average claims costing companies an average $100,000 more corporate fleet managers are tightening policies on texting and talking on the phone while using company cars.

Now, about 63 percent of its companies have a written policy prohibiting the use of phones and other wireless communication devices while driving. Of companies that ban the practice, 32.7 percent bar any electronic device, while 67.3 percent say employees may use hands-free but not hand-held devices.