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July 20, 2020

DE101 – Feasibility Study Of Future Bus Interchanges, Singapore

Vertix Asia-Pacific Pte Ltd (Vertix) conducted the feasibility study for the DE101 project, which included the design of transport infrastructures and microsimulation model for three bus interchanges and twelve transport hubs in Singapore. The bus interchanges are located at the upcoming Tengah district and Venture Drive. Some of the locations of the transport hub include Tiong Bahru, Beauty World, and Tampines North, among others.

Vertix were engaged by the Land Transport Authority (LTA) to develop the microsimulation models to assess the impact on the surrounding network, as well as to ensure that the circulation within the interchange is sufficient through intensive design review input. The project required collaboration with various ministries and agencies to ensure that all regulatory requirements and performance targets were adhered to.

The project included conducting a Traffic Impact Assessment (TIA) of the bus interchange prototype in conjunction with typical external junctions. This evaluation ensured smooth interaction between the bus interchange itself and network traffic.

As part of the TIA, extensive surveys were carried out at similar developments to forecast the future numbers and parameters. The microsimulation model included extensive calibration to reflect local Singapore conditions. Once calibrated, the model was run under various scenarios to determine the impacts in different operational environments.


Land Transport Authority (LTA)






2018 - 2020


Transport design, traffic impact assessment, VISSIM model, VISWALK model, traffic and pedestrian surveys, project safety review.