Waymo Implements Voluntary Recall of Fifth-Generation Autonomous Fleet Due to Freeway Construction Zone Navigational Failures
Waymo 因高速公路施工區導航故障，對第五代自動駕駛車隊實施自願性召回
Introduction
Waymo has initiated a voluntary software recall affecting approximately 3,871 robotaxis following a series of incidents where vehicles entered closed highway construction zones.
在發生一系列車輛進入封閉高速公路施工區的事故後，Waymo 已啟動一次自願性軟體召回，影響約 3,871 輛 robotaxi。
Main Body
The recall pertains specifically to vehicles utilizing the fifth-generation Automated Driving System (ADS). According to filings with the National Highway Traffic Safety Administration (NHTSA), the defect manifests as a failure in priority logic; the ADS may either fail to recognize construction markers or inappropriately prioritize the avoidance of other freeway hazards over the adherence to construction zone boundaries. This systemic failure resulted in thirteen documented instances of unauthorized entry into closed zones, with six occurring in Phoenix during April and seven in the San Francisco Bay Area during May.
此次召回專指使用第五代自動駕駛系統 (ADS) 的車輛。根據提交給美國國家公路交通安全管理局 (NHTSA) 的文件，該缺陷體現為優先邏輯失效；ADS 可能無法識別施工標誌，或者不恰當地將避免其他高速公路危險優先於遵守施工區邊界。這種系統性失效導致了 13 起記錄在案的非法進入封閉區域事件，其中 6 起於 4 月發生在鳳凰城，7 起於 5 月發生在三藩市灣區。
Historically, this action represents the sixth recall issued by the company, following previous corrective measures regarding collisions with stationary objects, illegal maneuvers around school buses, and the navigation of flooded roadways. Furthermore, the company's operational record includes instances of obstructing emergency responders in Austin and Dallas, as well as causing traffic congestion during power outages in San Francisco. These recurring edge cases have coincided with a period of aggressive institutional expansion, with plans to enter markets such as London and Tokyo.
從歷史上看，此行動代表了公司發布的第六次召回，此前已針對碰撞靜止物體、非法繞行校車以及在淹水道路導航採取過糾正措施。此外，該公司的營運記錄還包括在奧斯汀和達拉斯阻礙緊急救援人員，以及在三藩市停電期間造成交通擁堵。這些重複出現的極端案例正值公司激進的機構擴張期，其計劃進入倫敦和東京等市場。
In response to these navigational anomalies, Waymo's Field Safety Committee and Safety Board mandated the suspension of all freeway operations on May 19. While the company maintains that its autonomous systems have achieved a thirteen-fold reduction in serious injury crashes relative to human operators, a permanent software remedy remains under development. The eventual correction will be deployed via over-the-air updates, as the company retains ownership of the fleet.
針對這些導航異常，Waymo 的現場安全委員會和安全委員會要求於 5 月 19 日暫停所有高速公路營運。儘管公司堅持其自動駕駛系統在嚴重受傷事故方面較人類駕駛員減少了 13 倍，但永久性的軟體修復方案仍在開發中。由於公司擁有該車隊，最終的修正將透過 OTA 雲端更新部署。
Conclusion
Waymo continues to operate on surface streets while the necessary software updates to permit the safe resumption of freeway transit are finalized.
Waymo 將繼續在市區街道營運，直到完成必要的軟體更新，以允許安全恢復高速公路運輸。
Vocabulary Learning
The Architecture of 'Clinical Precision': Mastering Nominalization and Low-Frequency Collocations
To transition from B2 to C2, a student must move beyond describing events to categorizing them through dense, nominalized structures. This text is a masterclass in Administrative Formalism, where actions are transformed into abstract nouns to remove emotional volatility and increase precision.
◈ The Pivot: From Verb to Concept
Observe how the text avoids simple verbs like "The cars made mistakes" in favor of conceptual clusters:
- "Navigational failures"
- *"Systemic failure"
- "Unauthorized entry"
- "Institutional expansion"
In C2 English, we don't just say something happened; we identify the type of occurrence. By using [Adjective] + [Abstract Noun], the writer creates a professional distance.
C2 Transformation Logic:
- B2: Waymo expanded the company quickly. C2: This coincided with a period of aggressive institutional expansion.
- B2: The cars didn't follow the construction signs. C2: A failure in priority logic.
◈ Lexical Sophistication: The 'High-Utility' Professional Lexicon
Beyond the structure, the text employs specific collocations that signify an advanced academic register. Notice the interplay between technical and formal terminology:
"The defect manifests as..."
Using manifests as instead of is or appears as shifts the tone from observational to diagnostic. This is a hallmark of C2-level reporting.
Other high-leverage pairings found here:
- Permanent software remedy: (Not just a 'fix')
- Mandated the suspension: (Not just 'stopped')
- Recurring edge cases: (Specialized terminology for rare but critical scenarios)
◈ Syntax: The 'Subordinate Weight' Strategy
Note the use of the participial phrase to add context without breaking the narrative flow:
"...following a series of incidents where vehicles entered closed highway construction zones."
C2 writers use these trailing modifiers to embed secondary information, allowing the main clause to remain punchy and authoritative while providing the necessary nuance in the periphery.