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Brunei iRAP – Speed Management and Infrastructure Improvements

Turner, S, Smith, M, Robson, M (Peer reviewed)

Road Environment

ARSC conference 2016

Brunei have made considerable investment in improving the design and safety of their road transport infrastructure over the last 20 years. Like almost all countries, Brunei (on the island of Borneo) are still not happy with the level of road trauma (fatal and serious injury crashes) on their roads and the impact this has on families and communities. In 2014 they decided to undertake an iRAP assessment of their strategic routes (just over 500km of their network) to determine what else could be done to reduce road trauma. The findings of the iRAP assessment did indicate that Brunei has a relatively safe network, compared with other ASEAN and developed countries. Around 45% of all roads (urban and rural) and 63% of highways (rural/high speed) had a three star rating or better (the rating varies from one star which is poor to five star which is excellent). Two safety road investment program (SRIP) scenarios were developed using the VIDA (iRAP) analysis tool.

Scenario One includes infrastructure upgrades with a cost of at least BND$42M. Scenario One, when fully implemented, is expected to increase the number of 3 star plus roads to 85%. Scenario Two includes both speed management (reducing operating speeds by typically 5 to 10km/h on all highways and main roads) and infrastructure upgrades. The infrastructure upgrades will be at least BND$36M. Scenario Two, when fully implemented, is expected to increase the number of 3 star plus roads to over 95%. Brunei is one country where a minimum three star rating for all highways and strategic main roads is within reach.