though plagued with constant pain and high medical bills, betty jo hummel considers herself lucky to stracted drivers, hummel has some advice. >> pay attention to what you're doing. pay attention when you have so many lives at stake. it shouldn't happen. it shouldn't happen. >>> august 2001, ontario, canada. local residents witness a fiery blaze aboard a freighter ship in the welland canal. moments earlier, the great lakes freighter named "the wind dock" carrying 26,000 pounds of wheat approaches the allenberg bridge. >> will it stop? >> no, a boat that size. >> oh, my gosh. oh! >> there's people in that top part, eh? >> just before 9:00 p.m. as the ship nears, the operator begins to lower the bridge, too soon. the captain struggles to stop the ship frantically trying to get the bridge operator's attention. he drops anchor, but the ship's momentum makes a collision inevitable. >> there's guys up in that bridge. >> to the horror of those watching on the shore, the 730-foot-long freighter slams into the steel bridge. its upper deck completely tearing off. the crash first sheers off the