1. Awards & Honors

Sustainable INFRASTAR Certificate, 2024

Awarded by the Construction Industry Development Board Malaysia (CIDB), recognizing the East Coast Rail Link project for its practices in environmental protection, social responsibility and sustainable infrastructure development.

Gold Award, ESG Positive Impact Awards 2024 — Sustainable Products & Services Category

The ECRL project received the Gold Award in the “Sustainable Products & Services” category of the ESG Positive Impact Awards 2024, in recognition of its achievements in design innovation, carbon reduction and ecological protection.

Institution of Engineers Malaysia (IEM) TBM Undertaking Certificate of Acknowledgement, 2024

The TBM works for the Genting Tunnel, one of the key control projects of the ECRL, received professional recognition from the Institution of Engineers Malaysia.

Institution of Engineers Malaysia (IEM) Recognition for 500 m Long Rail Welding Works, 2025

Section 10 of the ECRL adopted 500 m long rail construction. Its long rail welding works received recognition from the Institution of Engineers Malaysia for construction quality, technical capability and process control.

2. Project Background / Project Background

The Malaysia East Coast Rail Link, abbreviated as ECRL, is a major electrified passenger and freight railway connecting the east and west coasts of Peninsular Malaysia. The line starts from Kota Bharu in Kelantan, runs through Terengganu and Pahang, crosses the peninsula westward, and ultimately connects with Port Klang in Selangor. The railway has a total length of approximately 665 km and will form an important east–west railway transport corridor across Peninsular Malaysia upon completion.

From the perspective of Malaysia’s national transport system, the ECRL will directly connect the east coast states of Kelantan, Terengganu and Pahang with the Klang Valley and Port Klang on the west coast. The project plans to build 20 stations, including 10 passenger-only stations and 10 stations serving both passenger and freight traffic. Passenger trains are designed for a maximum speed of 160 km/h, while freight trains are designed for 80 km/h.

The project owner is Malaysia Rail Link Sdn Bhd (MRL), while China Communications Construction Company (CCCC) is responsible for engineering, procurement, construction and commissioning works. Malaysia’s Ministry of Transport positions the ECRL as a major passenger and freight railway connecting the east and west coasts, while Chinese and Malaysian official sources describe it as a flagship project of high-quality Belt and Road cooperation between the two countries.

From the perspective of regional logistics, one of the most representative values of the ECRL is its connection between Kuantan Port on the South China Sea side and Port Klang on the Strait of Malacca side, forming a railway “land bridge” across Peninsular Malaysia. This railway corridor is expected to strengthen the connection among ports, industrial parks, cities and inland logistics nodes.

As of August 14, 2026, overall construction progress of the ECRL had reached 95.08%, and the project had entered the integrated testing and commissioning stage. Phase 1 from Kota Bharu to Gombak is scheduled for completion in December 2026, with commercial operations targeted for January 2027. Phase 2 from Gombak to Port Klang is scheduled for completion in December 2027, with full-line operations targeted for January 2028.

3. Engineering Challenges

3.1 665 km Long-Distance Railway with Complex Multi-Region Construction Coordination

The East Coast Rail Link has a total length of approximately 665 km, passing through the four states of Kelantan, Terengganu, Pahang and Selangor.

The line includes railway subgrades, bridges, elevated structures, tunnels, stations, track works, electrification, communications and signaling systems, as well as auxiliary facilities.

A long-distance railway project requires multiple construction fronts to advance simultaneously, placing high demands on material supply, equipment deployment, concrete construction, track laying and interface management among different engineering disciplines.

3.2 Numerous Mountain Tunnels and Complex Geological Conditions

The ECRL includes 41 tunnels with a combined length of approximately 69 km.

A large proportion of these tunnels are concentrated in mountainous areas of Peninsular Malaysia and represent a major component of overall construction organization and schedule control.

The most representative control project is the Genting Tunnel, which is 16.39 km long and passes through the Titiwangsa Range. The maximum overburden exceeds 750 m.

Construction faced complex geological challenges including water ingress, rock bursts, weak surrounding rock and multiple fault zones.

3.3 High Technical Requirements for Super-Long TBM Tunnel Construction

The Genting Tunnel was constructed using large-scale Tunnel Boring Machine (TBM) technology combined with other tunneling methods.

The TBM used for the project has a cutterhead diameter of 8.98 m and weighs approximately 1,600 tonnes.

The project represented Malaysia’s first application of TBM technology to this type of railway tunnel construction, placing high requirements on machine reliability, boring parameter control, surrounding rock support, construction safety and logistics support.

In July 2025, the 16.39 km Genting Tunnel achieved full breakthrough, which also marked the completion of excavation for all 41 ECRL tunnels.

3.4 High Requirements for Long-Term Stability of Railway Bridges, Subgrades and Track

The ECRL serves both passenger and freight transport.

Passenger trains are designed for speeds of up to 160 km/h, while freight trains are designed for 80 km/h.

The relatively high passenger operating speed and mixed passenger-freight transport model place long-term requirements on subgrade settlement, bridge structural stability, track smoothness and bridge-subgrade transition quality.

In sections where bridges, elevated structures, tunnels and subgrades frequently transition, ground treatment, subgrade reinforcement, concrete quality control and high-precision track construction are essential to ensure stable railway operation.

3.5 Balancing Construction with Environmental Protection in a Tropical Ecosystem

The ECRL passes through extensive mountainous, forested and ecologically sensitive areas of Malaysia.

Route design and construction therefore need to balance engineering efficiency with ecological protection.

The project has optimized alignment design to reduce impacts on forest reserves and established more than 20 wildlife crossings and culvert facilities to reduce disturbance to local wildlife movement.

3.6 Complex System Integration and Commissioning Across a Long Railway Corridor

As civil works, tunneling and track construction approach completion, the focus of the ECRL has shifted from large-scale construction to traction power supply, communications, signaling, track inspection and comprehensive system integration.

As of August 2026, 10 traction substations along the Kota Bharu–Gombak section had been energized.

The project had entered comprehensive inspection, system integration and commissioning, requiring a higher level of coordination among different railway systems.

4. Houde Products Applied

For long-distance electrified railway projects such as the Malaysia East Coast Rail Link, Houde’s product solutions are mainly suited to four core requirements: concrete workability and durability for bridges, viaducts, stations and tunnel structures; rapid support for tunnel shotcrete; grouting quality of prestressed railway structures; and long-term railway subgrade stability and settlement control.

For bridges, viaducts, culverts, stations and tunnel lining concrete requiring stable construction performance and long-term durability, Houde Polycarboxylate High-Performance Water Reducer (Retarding Type) and Houde High-Performance Mineral Admixture can be applied to improve concrete workability, density and durability.

For rapid support of shotcrete in long railway tunnels, Houde Alkali-Free Accelerator can be applied to support rapid setting and efficient shotcrete construction.

For duct grouting in prestressed railway structures, Houde Duct Grouting Agent (Railway) can be applied to improve grout flowability, stability and grouting quality.

For railway subgrade reinforcement and long-term stability, Houde Geogrid can be applied to enhance overall subgrade stability.

5. Technical Solution

The Malaysia East Coast Rail Link adopts a modern electrified passenger and freight railway system.

The project is designed as a standard-gauge railway, with passenger trains designed for 160 km/h and freight trains for 80 km/h.

Upon completion, it will form a modern east–west railway transport corridor across Peninsular Malaysia.

5.1 Standard-Gauge Electrified Railway System

The ECRL adopts a standard-gauge electrified railway system and supports both intercity passenger services and rail freight transport.

Compared with some of Malaysia’s existing metre-gauge railway lines, the ECRL establishes a new modern standard-gauge transport system capable of supporting higher-speed passenger trains and large-scale railway freight operations.

5.2 Construction of 41 Railway Tunnels

The ECRL includes 41 tunnels with a total length of approximately 69 km, making tunnel engineering one of the most technically representative components of the project.

Among them, the 16.39 km Genting Tunnel adopted large-scale TBM technology and other tunneling methods to overcome complex mountainous geological conditions.

During construction, the project had to systematically address water ingress, fault zones, weak surrounding rock and rock bursts while simultaneously controlling surrounding rock stability, support structures and tunnel lining quality.

5.3 500 m Long Welded Rail Construction Technology

The ECRL adopted 500 m Long Welded Rail (LWR) and dedicated track-laying equipment.

The first-stage track laying utilized the CCPG500A track-laying machine, achieving an installation efficiency of approximately 1.5–2.5 km per day, significantly improving efficiency compared with conventional track-laying methods.

The welding of 500 m long rails places high requirements on welding precision, process control and construction organization.

In 2025, the relevant welding works received professional recognition from the Institution of Engineers Malaysia.

5.4 Concrete Durability and Construction Performance Control

The ECRL includes large volumes of concrete in bridges, viaducts, culverts, stations, tunnels and foundation structures.

Under Malaysia’s tropical climate and long-distance construction conditions, similar railway projects can improve concrete construction stability, density and long-term durability through polycarboxylate high-performance water reducers, mineral admixtures, optimized water-to-binder ratios and standardized curing.

For long railway tunnels, shotcrete support, tunnel waterproofing, secondary lining and surrounding rock deformation control need to be integrated into a complete technical system.

5.5 Port–Rail “Land Bridge” Transport System

The freight value of the ECRL does not come from the railway line alone, but also from its integration with the port logistics system.

The railway connects the Kuantan Port area on the east coast with Port Klang on the west coast, enabling cargo to cross Peninsular Malaysia by rail and forming a “port–railway–port” land transport corridor.

5.6 Comprehensive Testing and System Commissioning

In 2026, the project entered the pre-operation comprehensive testing phase.

Comprehensive inspection trains are used to test track geometry, railway signaling and overhead catenary power supply systems.

These tests provide a technical basis for verifying line quality, safety and reliability before the start of commercial passenger operations.

6. Project Outcomes

As of August 2026, overall construction progress of the Malaysia East Coast Rail Link had reached 95.08%, and the project was transitioning from large-scale engineering construction to system commissioning and operational preparation.

6.1 All 41 Railway Tunnels Completed Excavation

In July 2025, the 16.39 km Genting Tunnel achieved full breakthrough, marking the completion of excavation for all 41 tunnels along the ECRL.

This milestone represented a major breakthrough in the project’s most complex underground works and created conditions for subsequent track, electrification, communications, signaling and system installation.

6.2 Entry into Railway System Testing and Commissioning

In August 2026, the ECRL officially entered the comprehensive testing and commissioning stage.

The railway began using inspection trains to test track geometry, railway signaling and overhead power supply systems.

The focus of construction has therefore shifted from civil engineering and track works toward operational preparation.

6.3 Passenger and Freight Trains Gradually Put in Place

In February 2026, the first batch of ECRL passenger electric multiple units and freight electric locomotives was officially unveiled in Pahang.

The project began transitioning from infrastructure construction toward rolling stock, operations and integrated railway system preparation, laying the foundation for future commercial service.

6.4 Significant Reduction in East–West Passenger Travel Time

According to ECRL planning, express services from Gombak to Kota Bharu are expected to take approximately 4 hours.

This will significantly improve rail travel conditions between the east and west coasts of Peninsular Malaysia.

6.5 Establishment of a Kuantan Port–Port Klang Railway Logistics Corridor

Upon completion, the ECRL will connect the Kuantan Port area with Port Klang, forming a cross-peninsula railway freight corridor.

This system is expected to improve port collection and distribution efficiency and strengthen transportation links among industrial areas, ports, cities and logistics nodes.

6.6 Promotion of Local Employment and Railway Talent Development

The project has continuously promoted local employment and railway talent development during construction.

The project has recruited more than 6,000 local employees on a cumulative basis, while the China–Malaysia railway talent training cooperation program has aimed to train 5,000 railway professionals.

7. Key Figures

8. Value to China & Malaysia

8.1 Value to Malaysia

For Malaysia, the East Coast Rail Link is first and foremost a major railway infrastructure project that will reshape east–west transportation across Peninsular Malaysia.

The line connects the east coast states of Kelantan, Terengganu and Pahang with Selangor, the Klang Valley and Port Klang, establishing a new modern railway corridor between regions that have traditionally relied heavily on road transport and existing transport networks.

Second, the ECRL is expected to reduce regional travel time.

According to official ECRL planning, express services between Gombak and Kota Bharu are expected to take approximately 4 hours, improving access between east coast communities and the Klang Valley economic region.

Third, the East Coast Rail Link has significant logistics and industrial value.

By connecting the Kuantan Port area with Port Klang, the railway will create a more direct land transport link between east coast ports and the west coast international logistics network, supporting manufacturing, logistics, port-related industries and economic development along the route.

Fourth, railway construction has also contributed to local engineering talent development and industrial participation.

Through local recruitment, professional skills training and participation by Malaysian enterprises, the project helps retain more of the employment, technical and supply chain value generated by large-scale infrastructure construction within Malaysia.

8.2 Value to China

For China, the Malaysia East Coast Rail Link is a representative project demonstrating Chinese railway engineering technology, equipment, construction organization and system integration capabilities in a major Southeast Asian infrastructure project.

The project covers a complete railway engineering system involving long-distance railway construction, major mountain tunnels, large bridges, track laying, electrification, communications and signaling, and operational preparation.

In particular, the 16.39 km Genting Tunnel, 500 m long rail construction and integrated railway system engineering demonstrate the comprehensive implementation capability of Chinese enterprises in complex overseas railway projects.

Second, the ECRL is one of the flagship projects of high-quality Belt and Road cooperation between China and Malaysia.

During construction, Chinese technology, engineering experience and railway capabilities have been integrated with Malaysian standards, environmental conditions and operational requirements, providing important experience for Chinese enterprises participating in infrastructure projects across Southeast Asia.

Third, from a Houde brand communication perspective, the East Coast Rail Link is a highly representative project for establishing a professional image in overseas complex railway engineering material solutions.

The project combines multiple typical engineering characteristics, including a 665 km railway, 41 tunnels, a 16.39 km super-long mountain tunnel, elevated bridges, railway subgrades, mixed passenger-freight operation, tropical environmental conditions and ecological protection requirements.

For similar railway projects, Houde can provide systematic material solutions addressing concrete water reduction and workability retention, rapid shotcrete support for tunnels, prestressed railway duct grouting, long-term concrete durability and railway subgrade reinforcement.

Malaysia East Coast Rail Link Key Figures

Project Name: Malaysia East Coast Rail Link / East Coast Rail Link (ECRL)

Country: Malaysia

Route: Kota Bharu–Terengganu–Kuantan–Gombak–Port Klang

Route Length: Approx. 665 km

Project Type: Electrified passenger and freight railway

Number of Stations: 20

Passenger Design Speed: 160 km/h

Freight Design Speed: 80 km/h

Number of Tunnels: 41

Total Tunnel Length: Approx. 69 km

Longest Tunnel: Genting Tunnel, 16.39 km

Project Construction Cost: RM 50.27 billion

Latest Construction Progress: 95.08% as of August 14, 2026

Phase 1 Commercial Operation Target: January 2027

Full-Line Operation Target: January 2028

Main Contractor: China Communications Construction Company (CCCC)

Project Owner: Malaysia Rail Link Sdn Bhd (MRL)

Representative Honors: Sustainable INFRASTAR Certificate, ESG Positive Impact Awards 2024 Gold Award, IEM TBM Engineering Recognition, IEM Recognition for 500 m Long Rail Welding Works

Recommended Material Solutions: Polycarboxylate High-Performance Water Reducer (Retarding Type), High-Performance Mineral Admixture, Alkali-Free Accelerator, Duct Grouting Agent (Railway), Geogrid

FAQ

Q1: What is the Malaysia East Coast Rail Link?

The Malaysia East Coast Rail Link, or ECRL, is a modern electrified passenger and freight railway connecting the east and west coasts of Peninsular Malaysia.

The line starts from Kota Bharu in Kelantan, runs through Terengganu and Pahang, and extends westward to Port Klang in Selangor, with a total length of approximately 665 km.

Q2: How long is the East Coast Rail Link and how many stations does it have?

The ECRL is approximately 665 km long and is planned to have 20 stations, including 10 passenger-only stations and 10 stations serving both passenger and freight traffic.

Q3: What are the design speeds of the East Coast Rail Link?

ECRL passenger trains are designed for a maximum speed of 160 km/h, while freight trains are designed for 80 km/h.

Q4: When will the East Coast Rail Link begin operations?

As of August 2026, overall project progress had reached 95.08%.

The Kota Bharu–Gombak section is scheduled for completion in December 2026, with commercial operations targeted for January 2027.

The Gombak–Port Klang section is scheduled for completion in December 2027, with full-line operations targeted for January 2028.

Q5: What are the main engineering challenges of the East Coast Rail Link?

Typical engineering challenges include long-distance railway construction organization, complex mountainous geology, construction of 41 tunnels, long-term bridge and subgrade stability, tropical ecological protection and integration of multiple railway systems.

The most representative control project is the 16.39 km Genting Tunnel, where construction faced water ingress, rock bursts, weak surrounding rock and multiple fault zones.

Q6: How long is the Genting Tunnel?

The ECRL Genting Tunnel is 16.39 km long and passes through the Titiwangsa Range.

It is one of the most important control projects of the East Coast Rail Link.

In July 2025, the Genting Tunnel achieved full breakthrough, marking the completion of excavation for all 41 tunnels along the ECRL.

Q7: What role will the East Coast Rail Link play after completion?

The ECRL will directly connect the east and west coasts of Peninsular Malaysia and strengthen transportation links among Kelantan, Terengganu, Pahang and the Klang Valley economic region.

At the same time, the railway will connect the Kuantan Port area with Port Klang, forming a cross-peninsula railway “land bridge” and supporting passenger transport, freight logistics, port connectivity and industrial development along the route.

Q8: Which Houde products are suitable for similar railway projects?

For large railway projects similar to the ECRL, Houde can recommend Polycarboxylate High-Performance Water Reducer (Retarding Type), High-Performance Mineral Admixture, Alkali-Free Accelerator, Duct Grouting Agent (Railway) and Geogrid according to different structural and construction requirements.

Polycarboxylate high-performance water reducers and high-performance mineral admixtures are suitable for construction performance and durability control of bridges, viaducts, stations and tunnel lining concrete.

Alkali-free accelerators are suitable for rapid shotcrete support in railway tunnels.

Duct Grouting Agent (Railway) is suitable for grouting prestressed railway structures.

Geogrid is suitable for railway subgrade reinforcement and long-term stability control.

Q9: What awards and honors has the East Coast Rail Link received?

The ECRL has received the Sustainable INFRASTAR Certificate and the Gold Award in the Sustainable Products & Services category of the ESG Positive Impact Awards 2024.

The TBM works for the Genting Tunnel and the 500 m long rail welding works have also received professional recognition from the Institution of Engineers Malaysia (IEM).