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Ayer Rajah Expressway

The Ayer Rajah Expressway (AYE) extends from the western end of the Marina Coastal Expressway (MCE) in the south of Singapore to Tuas in the west near the Tuas Second Link to Malaysia. Together with the MCE and the East Coast Parkway (ECP), it forms a second east-west link to complement the role played by the Pan Island Expressway (PIE).

History

Construction on the expressway commenced in 1983, with the first two phases completed by 1988. This section involved the widening of several existing roads along the way, such as Ayer Rajah Road and Upper Ayer Rajah Road, as well as the construction of what was then the longest road viaduct, the Keppel Viaduct, from where the eastern end of the expressway commences. The road extends from Alexandra Road until Keppel Road. It ends at Teban Flyover along Jurong Town Hall Road.

With the construction beginning from 5 December 1993, the existing Jalan Ahmad Ibrahim from Tuas West Drive to Jurong Town Hall Road was widened and merged into Ayer Rajah Expressway which was opened on 18 November 1997. The expressway was extended to Tuas from Teban Flyover in conjunction with the opening of the Tuas Second Link to Johor on 2 January 1998. This construction, which followed the alignment of Jalan Ahmad Ibrahim, involved the expansion of the existing road to match with the width of the rest of the AYE, construction of "filter" roads on both sides of the expressway (which eventually took the name of Jalan Ahmad Ibrahim), and the building of five flyovers and two underpasses. It meets up with the PIE at the Tuas Flyover.

The eastern terminus of the AYE used to continue onto the western terminus of the East Coast Parkway (ECP). After the MCE was opened on 29 December 2013, the ECP was truncated and the MCE had taken over parts of the route, which connects AYE to the Kallang–Paya Lebar Expressway (KPE) and ECP.

Proposed realignment

During the 2014 Singapore National Day rally, Prime Minister Lee Hsien Loong spoke of the possibility of realigning the stretch of the AYE near Jurong Lake Gardens south to allow for more space to build housing in the area. Government agencies later further explained that such a move would "integrate the Pandan Reservoir area with Jurong Lake District to form a larger and more cohesive development area".

National Development Minister Desmond Lee gave an update on this proposed realignment on 30 June 2024, sharing that "agencies are currently studying various options, including how we can make it easier for residents to move between Teban Gardens and Jurong Lake District", with more information to be made available when ready.