高齡者面臨在生理和心理層面等能力的衰退是影響其在駕駛表現的關鍵因素，為因應日後高齡駕駛者普遍存在的趨勢，有必要針對適合高齡駕駛者使用的駕駛資訊系統進行推廣，進而改善高齡駕駛的安全。先進旅行者資訊系統 (Advanced Traveler Information System, ATIS) 是藉由交通資訊的提供來協助駕駛人訂定有效的駕駛決策，而學者也已證實高齡駕駛者透過此系統能使行車時獲得顯著的改善與利益，然而若在駕駛時執行多項作業，如通話、駕駛等作業，使用此系統則可能帶來非預期事故的發生。
本研究的主要目的在探討年齡對於在駕駛期間使用車內免持聽筒和先進旅行者資訊系統的影響。進而，評估不同年齡層的駕駛者在其有限的心裡資源下，執行駕駛及通話等作業所帶來的績效表現。最後，則是提供給駕駛人應如何平衡駕駛及次要作業來達到良好駕駛績效的意涵。透過駕駛模擬器，由三十二位高齡和年輕的受測者進行實驗，衡量方式有二：客觀的作業績效是以執行跟車狀態時的碰撞時間為依據，主觀的工作負荷則是採用NASA－工作負荷量表。
研究結果指出年齡確實會對於駕駛行為產生顯著的影響，且在實驗中執行通話作業的受測者較有可能發生碰撞的危險，尤以高齡駕駛者為最。更進一步的分析發現 先進旅行者資訊系統對於主、客觀的衡量方式並無顯著的差異存在，歸納其原因可能為受測者在模擬駕駛時並未注意到資訊的提供，也或許為駕駛者本身就存在著自我揭露的焦慮。綜合言之，本研究闡述了不同年齡層的駕駛者應如何維持較佳的駕駛績效與安全的重要性。

With the rapid change of lifestyle, the issue of elder driving has been widely concerned. For the aged, physiological and mental declines limit their driving abilities and influence their driving safety. Although researchers have suggested that Advanced Traveler Information Systems (ATIS) may be a way of maintaining mobility and well-being in elder drivers, it may cause unexpected risks of accidents when performing more tasks.
This study attempts to investigate the age effects of ATIS and cell phone use in driving on objective task performance and subjective driver workload. Further, it explores whether drivers in different age have different performance under various driving and communication tasks for limited mental resources. Finally, it provides implications into how people should balance driving and secondary tasks to maintain good driving performance. Thirty-two subjects of the old and the young participated in the study by a driving simulator. Task performance was measured in terms of time to collision (TTC) in the following task and subjective workload was measured using NASA-Task Load Index (NASA-TLX).
Results showed a striking effect of age on driving behavior. For the subjects of the study with phone conversation, the analysis indicated that there might be more dangerous occurrence of collision, especially for elder subjects. Moreover, ATIS had no significant effects on both time to collision and mental workload ratings. That might be attributed to ignoring the system display and the anxiety of self-exposure. To conclude, this study may be of importance in explaining the driving behavior of different age groups with a better understanding of how drivers keep good driving performance and safety.

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