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Tunis Metro: Charting the Capital's Transit Network

An in-depth exploration of the Tunis Light Metro system, detailing its history, network, rolling stock, and infrastructure.

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System Overview

Operator

The Tunis Light Metro is owned and operated by the Société des transports de Tunis (Transtu), the primary public transport authority for the metropolitan region.

Service Area

The network serves the capital city of Tunis and its surrounding metropolitan area, connecting key districts and suburbs.

Transit Type

Classified as a light rail system, it utilizes dedicated rights-of-way, often incorporating tunnels and grade separation, allowing for efficient urban transit.

Network Size

The system comprises 6 distinct lines covering approximately 45.2 km (28.1 miles) of track, serving a total of 65 stations.

Historical Context

Early Tramways

Tunis once boasted an extensive electric tram network, established during the French protectorate era. Horse-drawn trams were introduced in 1885, followed by electric services in 1902. However, by the mid-20th century, buses and trolleybuses began replacing the trams, leading to the cessation of the first-generation tramway by March 1960.

Modern Network Conception

Following Tunisia's independence and a subsequent population boom in Tunis, the need for an efficient, modern public transport system became apparent. Preliminary studies for a light rail network commenced in 1974. The project was awarded to Siemens, drawing inspiration from the Hanover Stadtbahn system in Germany.

Construction began with the laying of the first stone in November 1980. The first line (Line 1) entered service on October 13, 1985, connecting Tunis Marine to Ben Arous. Subsequent lines were gradually opened: Line 2 in 1989, Lines 3 and 4 in 1990, Line 5 in 1992, and finally Line 6 in 2008. The network's initial construction, as contracted by Siemens, was completed with the extension of Line 4 in 2009.

System Evolution

In 2003, the operating company SMLT merged with SNT to form the unified Société des transports de Tunis (Transtu). The introduction of Alstom Citadis 302 vehicles starting in 2007 marked a significant upgrade, enhancing capacity and accessibility with low-floor designs.

Network Configuration

Line Summary

The Tunis Light Metro operates six lines, identified by numbers 1 through 6. These lines serve various corridors of the metropolitan area, with significant track sharing, particularly in the city center.

The following table provides a summary of each line:

Tunis Metro Lines
Line Route Length Stations Opened Rolling Stock
Place de Barcelone – Ben Arous 5.5 km 11 1985 Alstom Citadis 302
Place de la République – Ariana 6.3 km 12 1989 Siemens-Duewag TW 6000
Tunis Marine – Ibn Khaldoun 6.5 km 13 1990 Siemens-Duewag TW 6000
Place de Barcelone – Kheireddine 10 km 20 1990 Alstom Citadis 302
Place de Barcelone – Intilaka 7.1 km 14 1992 Siemens-Duewag TW 6000
Tunis Marine – El Mourouj 4 6.8 km 18 2008 Alstom Citadis 302

Route Characteristics

The system predominantly operates on dedicated rights-of-way, ensuring grade separation from road traffic for most of its length. However, several level crossings exist. The central section features single-track operation on narrow streets, connecting key hubs like Place de Barcelone and Place de la République, which serve as major transfer points.

Fleet Composition

Siemens-Duewag TW 6000

The foundational rolling stock for the Tunis Metro, the TW 6000 series, were acquired as part of the initial network contract. These bidirectional, high-floor vehicles are derived from the Hanover light rail system. They are currently utilized on Lines 2, 3, and 5.

A total of 135 units were delivered between 1983 and 1997, comprising three batches:

TW 6000 Fleet Details
Fleet Numbers Quantity Years Built
M101-M178 78 1983-1985
M201-M243 43 1991-1992
M301-M314 14 1997

Key technical specifications include:

  • Bogies: type Bo-2-2-Bo
  • Electric Motors: 2 x 240 kW
  • Weight: 40 tonnes
  • Length: 30 metres
  • Width: 2.47 metres

Alstom Citadis 302

To enhance system capacity and accessibility, Transtu procured the Alstom Citadis 302 model. These are unidirectional, low-floor articulated units, requiring some infrastructure modifications for operation. They are deployed on Lines 1, 4, and 6.

The initial order consisted of 30 units (M401-M430), delivered between 2007-2008. Subsequent orders brought the total to 55 units.

Citadis 302 Fleet Details
Fleet Numbers Quantity Years Built
M401-M430 30 2007-2008
M431-M439 9 2009
M501-M516 16 2013

Key technical specifications include:

  • Length: 32 metres (64 metres when coupled)
  • Width: 2.4 metres
  • Height: 3.4 metres
  • Electric Motors: 4 x 120 kW

Infrastructure Details

Alignment and Grade Separation

The Tunis Light Metro primarily operates on exclusive rights-of-way, minimizing conflicts with road traffic. While several level crossings are present, significant portions of the network utilize tunnels to achieve grade separation, enhancing operational efficiency and speed.

Depots and Yards

The system is supported by two main maintenance facilities: the original depot at Tunis Marine station and a newer yard near Ariana station. The Tunis Marine depot connects with the Tunis-Goulette-Marsa (TGM) railway, allowing for potential rolling stock interchange.

Station Design

Most stations feature standardized designs with concrete shelters for passengers and ticket facilities. Some stations, particularly those in constrained urban environments like Bab el Assel or Palestine, employ staggered platforms. Major hubs like Place de Barcelone and Place de la République are equipped with multiple platforms and sidings to manage high passenger volumes and operational complexity.

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References

References

A full list of references for this article are available at the Tunis Light Metro Wikipedia page

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Disclaimer

Important Notice

This content has been generated by an AI model for informational and educational purposes. It is based on data available from Wikipedia and may not reflect the most current status or complete details of the Tunis Light Metro system.

This is not professional advice. The information provided does not substitute for official transit authority documentation or expert consultation. Always refer to official sources for the latest operational information, schedules, and service changes. The creators of this page are not liable for any inaccuracies or omissions.