Precise train control,

safe railway operations.

From urban rail ATC/ATO and CBTC to high-speed ATC/IXL, STraffic supplies signaling for every layer of the rail network.
Joining forces with LS ELECTRIC’s railway signaling business has broadened our capabilities further.

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1978
Year LS ELECTRIC entered railway signaling, supplying automatic block and interlocking systems for the Gyeongbu Line
8
Countries with overseas railway signaling references, across both companies
1st
Korean-developed CBTC in unattended (UTO) commercial service: the Sillim Line
SIL 4
Highest safety integrity level, certified for core CBTC equipment and electronic interlocking

01 · SOLUTIONS

One lineup, from control center to field equipment

With signaling product lines spanning high-speed and urban rail, STraffic leads across every area of railway signaling.

Urban Rail CBTC (KTCS-M)

Moving-block train control for driverless urban rail and light rail, supporting fully unattended operation (GoA 4).

ST-KMX LTran-CX
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Mainline and High-speed Rail (ETCS)

Radio-based train control for mainline and high-speed lines, compatible with ERTMS/ETCS.

KTCS-2 RBC
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Electronic Interlocking (IXL)

Interlocks routes, points and signals at stations, from urban rail to high-speed rail.

IXL CBI
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Traffic Control & Supervision

Network-wide supervision, routing and regulation of train movements from one control center.

CTC ATS
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Automatic Train Control & Trackside Equipment

Train control, track circuits and switch machines that carry signaling to the field.

ATC/ATO AF Track Circuit MJ81 Switch Machine
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02 · REFERENCES

From urban rail transit to mainline

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KOREA

  • Sillim Line, Seoul

    CBTC

  • Yangsan Line, Busan–Yangsan

    CBTC

  • Suwon & Incheon KTX links, Pyeongtaek–Osong quadrupletracking

    ATC/IXL

  • Gyeongbu & Suseo–Pyeongtaek HSR

    ATC/IXL

  • Seoul Subway Lines 6, 7, 8 · Busan Metro Line 2

    ATC/ATO

OVERSEAS

  • Thailand

    Chachoengsao–Laem Chabang, Lop Buri–Pak Nam Pho

  • Bangladesh

    Dhaka–Narayanganj, Dohazari–Cox’s Bazar

  • Taiwan

    Taoyuan Railway, Taitung–Zhiben

  • Malaysia

    Klang Valley Double Track

  • Myanmar

    Yangon Circular Line

03 · WHY STRAFFIC

What sets our railway signaling apart

01
Railway signaling since 1978

Since entering railway signaling in 1978, we have supplied signaling for urban, mainline and highspeed rail.

02
Beyond Korea, to international standards

STraffic’s railway signaling systems conform to international standards, including IEEE 1474 for CBTC and the ETCS specifications.

03
Design to field installation, end to end

We handle everything in-house, from system design to field equipment installation. This capability covers all our urban, mainline and high-speed rail projects.

BUILDING TRUST, MOVING FIRST.

We build trust and move ahead through innovation.

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