Variable Speed Limit Sign(VSLS) is an integral part of smart traffic system to better indicate speed for vehicule drivers for a better safe road environment
Lane Control Signs are designed to maintain efficient traffic flow
The VMS signs display messages and instructions for the drivers of the real time traffic conditions.
Shanghai SANSI (Shanghai Sansi Electronic Engineering Co., Ltd) was once again rewarded European Union CE CPR certificate for its variable massage sign products designated for road traffic since 2017.
The technical features of Sansi variable message sign products
LED Variable message signs in high ways and its difference compared with traditional highway information boards
the application of LED displays in traffic scenarios and systems.