从2025年12月10日起,宾夕法尼亚州将主要安全高速公路的车速限制降低至45英里。 Pennsylvania lowers speed limits to 45 mph on key highways for safety, effective Dec. 10, 2025.

PennDOT在宾夕法尼亚州几条主要高速公路上实施了新的45英里速度限制,理由是安全情况有所改善,事故率降低。 PennDOT has implemented new 45 mph speed limits on several major highways across Pennsylvania, citing improved safety and reduced accident rates. 这些变化影响到I-80、I-81和PA第322号公路各段,并更新了标志,以反映较低速度。 The change affects sections of I-80, I-81, and PA Route 322, with signage updated to reflect the lower speeds. 官员说,调整是基于交通研究和工程评估,目的是加强公路安全。 Officials say the adjustment is based on traffic studies and engineering assessments aimed at enhancing roadway safety. 新限额于2025年12月10日生效。 The new limits took effect on December 10, 2025.