Innovation Challenges

Challenge Owner(s)	Land Transport Authority (LTA)
Industry Types(s)	Land Transport

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UMI Grant Call – Next-Gen Pavement 

LTA is responsible for the stewardship of over 9,500 lane-km of roads, serving as a common corridor for vehicular traffic, road construction and utility services. LTA has explored innovative materials to enhance the performance of our asphalt wearing course, such as incorporating waste plastics, recycled asphalt pavements and warm mix asphalt to improve the durability of our roads in a sustainable way. While the focus has predominantly been on enhancing the performance of the topmost pavement layer, there is a growing need to broaden the research to encompass the entire pavement structure, from the subgrade to the wearing course.

This will provide an opportunity to advance the pavement design methodology to move towards a science-based (mechanistic-empirical) approach*. This would also allow LTA to address future challenges related to climate change with increasing heat and rainfall affecting pavement performance, the transition to electric vehicles (EVs), and local and regional material supply chain changes which affect material availability and associated quality control.
* The existing pavement design in Singapore has been in place since the mid-1990s, originally based on an empirical approach using the UK Transport Research Laboratory's Road Note 29.

LTA is launching a grant call to seek proposals to develop a holistic road pavement system for two distinct pavement structure types.

What We Are Looking For

Proposals will be selected and evaluated based on the criteria below:

• Ability to fulfil requirements and KPIs for both Focus A and B.
• Cost effectiveness and practicality of implementation of proposed solutions.
• Project time effectiveness of proposed solutions.
• Proposals that do not fulfil all project scopes will not be considered.

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