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 ...

A BREAKDOWN that brought peak-hour traffic on the Gobba Bridge to a screeching halt has sparked calls to install a variable-message sign (VMS) in Wagga’s northern suburbs.

On many United States interstates and state highways, you’ll find variable message signs (VMS) that display ever-changing notices to warn drivers of delays, adverse weather conditions, or crashes ...

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 ...

Scots motorists are being driven "round the bend" as a result of faulty LED road signs requiring repairs more than 1,400 times in the last four years. Official figures show there are 313 variable ...