国家科学院自2025年10月1日起关闭了DC的设施,向公众开放,但继续提供专家咨询和最新研究资料。 The National Academies closed its DC facilities to the public as of October 1, 2025, but continues providing expert advice and research updates.

截至2025年10月1日,首都华盛顿国家学院的设施对公众关闭,C街入口处只有定期预约和有效政府身份证;Irvine、CA、Beckman中心仍然按预约开放。 As of October 1, 2025, the National Academies’ Washington, DC, facilities are closed to the public, with access limited to scheduled appointments and valid government IDs at the C Street entrance; the Irvine, CA, Beckman Center remains open by appointment. 本组织继续通过 " 运输研究记录 " 等报告、支持循证政策和公共举措,提供无党派、经同行审查的专家咨询。 The organization continues to provide nonpartisan, peer-reviewed expert advice through reports like the Transportation Research Record, supporting evidence-based policy and public initiatives. 捐款帮助资助其使命, 免费的电子邮件更新让公众了解研究和事件。 Donations help fund its mission, and free email updates keep the public informed on research and events.