Lenteng Agung Road Subsidence Repair: Culvert Installation Complete

Repair work is currently underway in the Lenteng Agung area of South Jakarta following a road collapse. The South Jakarta Water Resources Agency (SDA) has begun installing box culverts at the site of the subsidence to manage local water flow.

As of Sunday, May 31, 2026, the installation of these culverts has resulted in a smoother water flow that is less intense than previous observations. At the site, an excavator remains active, and workers are currently excavating drainage channels on the left side of the road near piles of excavated soil.

Did You Know? The current repair efforts are focused on a 10-meter stretch of the water channel designed to direct flow from the PHB UI connecting channel toward the Ciliwung River.

Timeline and Technical Challenges

While the main road is targeted to be usable for normal vehicle traffic within three days, the total restoration of the site is expected to take approximately two weeks. This timeline is driven by the specific technical requirements of the surrounding infrastructure.

The sides of the road cannot be repaired using factory-made materials or heavy machinery due to the presence of utility obstacles, including cables and poles. Instead, workers must perform manual stone embankment (turap batu kali) to complete these sections.

Expert Insight: The requirement for manual stone embankment due to existing utility constraints highlights the complex trade-off between repair speed and the preservation of essential urban infrastructure like cables and poles.

Traffic Conditions

Current traffic conditions toward Depok remain open across all lanes, although a barrier is positioned on the right side of the road. Drivers are advised to slow down when passing over the steel plates that have been installed over the collapsed section.

The restoration of the main road could potentially alleviate local congestion within the next three days, though the full project may continue for the remainder of the two-week period.

Frequently Asked Questions

When will the main road be reopened for normal traffic?

The main road is targeted to be usable for normal vehicle traffic within three days.

Why will the total repair process take two weeks?

The sides of the road require manual stone embankment (turap batu kali) because utility constraints, such as cables and poles, prevent the use of factory-made materials or machines.

What is the current status of the water flow at the site?

Following the installation of box culverts, the water flow is reported to be smooth and less intense than previous days.

How do temporary road repairs in high-traffic areas affect your daily commute?

Heavy Equipment Deployed for Road Repairs in the Lenteng Agung Sinkhole

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