Part of the problem in keeping older drivers safe is that the difficulties are addressed piecemeal by different professions with different focuses, including gerontologists, highway administration officials, automotive engineers and others, said gerontologist Elizabeth Dugan.

老年驾驶员安全保障的部分问题在于不同专业人士以不同重点零散地加以解决，包括老年学家、公路管理官员、汽车工程师等，老年学家伊丽莎白·杜根表示。