它的首要目标是维护美国历史道路的完整性和重要性，同时也为现代安全标准敏感实施提出目标。

The primary goal is to preserve the significance and integrity of Americas historic roadways while allowing for sensitive implementation of contemporary safety standards.

youdao

它的首要目标是维护美国历史道路的完整性和重要性，同时也为现代安全标准敏感实施提出目标。

The primary goal is to preserve the significance and integrity of Americas historic roadways while allowing for sensitive implementation of contemporary safety standards.

youdao