EMAS Enhancement Completed on AYE and KJE

News Releases 14 May 2015 Expressway Monitoring Advisory System (EMAS)

2 The Land Transport Authority (LTA) has completed the installation of enhanced Expressway Monitoring Advisory System (EMAS) signboards on the Ayer Rajah Expressway (AYE) and Kranji Expressway (KJE). The new electronic signboards, which can display both text and graphics in up to seven colours1, will start from 17 May 2015. 

2 The graphic and colour enhancements, as well as display of travel time along the expressways and arterial roads, improve the readability of messages so that motorists can make more informed travel decisions. Colour-coded travel time information will be shown on the electronic signboards located prior to entry of the AYE and KJE as well along the expressways. 

3  First launched in 1998, EMAS was installed to detect and manage incidents on expressways. Through a comprehensive system of  live video surveillance, incident detection and real-time traffic alert functions, EMAS helps the LTA to promptly respond to traffic incidents and manage congestion arising on the expressways.

4 The new enhanced EMAS signboards along AYE and KJE are part of the overall upgrading work for the EMAS system. The enhanced signboards along CTE and ECP were completed in November 2014, with signboards on the remaining expressways progressively replaced. The enhancement is expected to complete by 2017.

5 Please refer to the Annex for an illustration of how the travel time information are displayed on the enhanced signboards, and photos of the existing enhanced signboards along CTE and ECP.


1 The seven colours are green, red, blue, cyan, purple, yellow and white.

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