On 22 August, Anwar Ibrahim and Sultan Hassanal Bolkiah held the 27th Annual Leaders' Consultation. Sarawak Premier Abang Johari Tun Openg and Sabah Chief Minister Hajiji Noor were both there.
Twenty-seventh. These things usually produce a communiqué nobody reads. This one has some actual infrastructure in it.
1. The roads
The Trans Borneo Highway and the Northern Coastal Highway are both in the document, along with specific links: Miri to Marudi, Marudi to Mulu, Long Panai to Long Lama.
If you've never driven in interior Sarawak, the significance is hard to convey. Mulu is a UNESCO World Heritage site that most Malaysians reach by flying, because the road doesn't properly go there. Marudi is a town on the Baram that has spent its modern existence as a river port first and a road destination second.
Connecting those is not a ribbon-cutting exercise. It changes what those places are.
2. The single checkpoint
This is the sleeper item. The two countries are "exploring" a single checkpoint arrangement to streamline immigration.
Anyone who's crossed at Sungai Tujuh knows why this matters. Brunei sits between the two halves of Sarawak. Driving from Miri to Limbang means clearing four immigration posts. Four. For a domestic journey between two towns in the same Malaysian state.
A single checkpoint wouldn't fix the geography. It would fix the bureaucracy stacked on top of it, which is the part that's actually a choice.
3. The power line
A Brunei to Sarawak electricity interconnection, framed as part of the ASEAN Power Grid.
Sarawak has hydro. A lot of it. Sarawak's whole industrial pitch, including its semiconductor ambitions, rests on having surplus cheap power. Exporting some of it north is the obvious commercial move, and the interconnection is the thing that makes it possible.
Also on the energy list: oil, gas, energy transition, and LPG collaboration.
4. Food and tourism, briefly
Commercial rice cultivation in Sarawak is under discussion, which is a food security play rather than an agriculture one.
On tourism, the Sarawak Trade and Tourism Office is already operating in Brunei, Royal Brunei Airlines signed an MOU with the Sarawak Tourism Board in May, and Visit Brunei Year 2027 is being promoted. Private sector agreements in logistics, digital services and food products came out of business exchanges in February and July.
5. Why the framing is off
This gets reported as Malaysia-Brunei bilateral relations. It isn't, really.
It's Borneo. Sabah and Sarawak sent their heads of government and the substance is almost entirely about the island: roads across it, power across it, borders within it. Kuala Lumpur is a signatory to something that is fundamentally about a region it isn't part of.
That's not a criticism. It's arguably how it should work. But if you read this as foreign policy you'll miss what it is, which is two Malaysian states and a sultanate deciding to behave like the contiguous landmass they've always been.
6. What to watch
Highways get announced constantly in this country. The test is allocation. Watch Budget 2027 on 9 October for whether Trans Borneo money appears as a line item, and watch whether the single checkpoint gets past "exploring."
Source: Brunei, Sabah and Sarawak deepen economic integration across Borneo, New Straits Times, 22 August 2026.