Client

Land Transport Authority

Project Completion

Jan 2015

R428 – Enhancement of Lentor Avenue/ Yishun Avenue 1/ Yishun Avenue 2 Junction

This junction enhancement project aimed to widen Lentor Avenue, Yishun Avenue 1 and Yishun Avenue 2 with a new slip road leading from Lentor Avenue to Yishun Avenue 1 and a new bus exclusive carriageway and shelter along Lentor Avenue.

The scopes of widening also included the changes in road profile by recambering and milling down of existing carriageways, drainage works, erection of guardrails and signages, construction of footpath and etc. At the same time, semi-rigid pavements were installed at the road intersections for the approaching traffics.

Besides, a reinforced concrete (RC) box culvert was built across a live road while burrowing through an existing 230 kV cable bridge and a 1.2m-diameter water pipe. Nonetheless, the most challenging aspect of the project was to work within the MRT reserve line of 6 m. Coupled with conscientious planning and work execution, a slew of preventive measures was implemented to safeguard the structural integrity of railway.

Last but not least, the existing Khatib Bongsu Park Connector was given a major overhaul with the laying of new cycling and jogging tracks as well as other associated facilities.

07C-Photo-Gallery LTA ER428 - Junction Enhancement at Lentor Ave, Yishun Ave 1 & 2

Construction of RC culvert underneath the utilities

07D-Photo-Gallery LTA ER428 - Junction Enhancement at Lentor Ave, Yishun Ave 1 & 2

Construction of drainage system outfall along Lentor Avenue

07E-Photo-Gallery LTA ER428 - Junction Enhancement at Lentor Ave, Yishun Ave 1 & 2

Paving of open graded asphalt for the construction of semi-rigid pavement

07F-Photo-Gallery LTA ER428 - Junction Enhancement at Lentor Ave, Yishun Ave 1 & 2

Refurbishing of Khatib Bongsu Park Connector with new cycling and jogging tracks

07G-Photo-Gallery LTA ER428 - Junction Enhancement at Lentor Ave, Yishun Ave 1 & 2

New slip road from Lentor Avenue to Yishun Avenue 1

07H-Photo-Gallery LTA ER428 - Junction Enhancement at Lentor Ave, Yishun Ave 1 & 2

New bus exclusive carriageway and shelter along Lentor Avenue

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