本研究报告通过分流率分析和天气分析的双重方法，评估了可变信息标志（VMS）在犹他州公路上的应用效果。研究发现，VMS在交通事故期间能显著提升18%的分流率，但在冬季天气下对驾驶员减速的引导作用有限（速度仅增加0.23 mph）。研究为交通部门（DOTs）优化 ...

The state is putting the finishing touches on the installation of additional variable message signs and traffic cameras that will give the traveling public more real-time information about highway ...

At least two road signs placed in Park Slope to warn drivers about a construction-related detour were hacked yesterday to convey a very different message to drivers. Namely, that they are ruining New ...