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Rotterdamse Elektrische Tram

Public transport operator serving Rotterdam with tram, bus, and metro services.

Last updated August 22, 2026

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Overview

Rotterdamse Elektrische Tram, commonly known as RET, is the principal public transport operator in Rotterdam and nearby municipalities in the Netherlands. The organization began in 1905, when it took over the city's tram lines from the Rotterdamsche Tramweg Maatschappij, generally abbreviated as RTM. Its original identity was associated with electric tram operation, but its scope has expanded substantially as Rotterdam's urban transport network developed. RET currently operates three main forms of public transport: trams, buses, and metro or light-rail services. The network connects Rotterdam's central districts with residential neighborhoods, employment areas, interchanges, and surrounding municipalities. According to the referenced encyclopedia material, the operator runs 64 bus lines, 11 tram lines, and five metro or light-rail lines. These services make RET a central component of daily mobility in the Rotterdam metropolitan area rather than a narrowly focused tram company. The operator has also participated in the modernization of Dutch public transport ticketing. RET historically used the national public transport tariff system used by other local operators in the Netherlands. Metro fares moved to the OV-chipkaart system on 29 January 2009, followed by bus and tram fares on 11 February 2010. The transition placed RET within the country's broader move toward electronic, interoperable public transport payment. RET's tram network remains an important part of its identity and service offering. On 6 January 2025, the company made a broad revision to tram numbering and destinations. Lines 21, 23, 24, and 25 were renumbered as lines 11, 3, 1, and 5 respectively. Lines 3 and 5 were routed to terminate at Rotterdam Centraal, with the stated aim of improving punctuality and reliability. Other changes included the extension or redirection of line 7 to Marconiplein, a revised route for line 8 through Schiebroek and Eendrachtsplein, and the introduction of line 6 between Kleiweg and Heemraadsplein. Line 20 was suspended, while frequencies on lines 2, 3, and 5 were increased. RET is therefore best understood as a municipal and regional urban mobility operator whose brand encompasses a multimodal network. Its public-facing role includes maintaining regular services, organizing routes and timetables, supporting integrated ticketing, and adapting network design to operational and passenger needs. The available reference material does not identify a separate private parent, stock-market listing, financial profile, or current executive leadership roster. RET's present status is active.

History

Rotterdamse Elektrische Tram, known by the acronym RET, was established in 1905 when it took over Rotterdam's tram lines from the Rotterdamsche Tramweg Maatschappij, or RTM. The transfer gave the organization responsibility for operating the city's electric tram services and established the historical foundation of the RET name. Although the tram network remains central to the brand, RET's role has broadened into comprehensive urban public transport. The operator now provides tram, bus, and metro or light-rail services in Rotterdam and surrounding municipalities. The referenced material describes a network of 64 bus lines, 11 tram lines, and five metro or light-rail lines. This multimodal structure allows RET to serve both dense central areas and connections between Rotterdam's neighborhoods and nearby municipalities. For much of its operating history, RET used the national public transport tariff system also used by other local transport companies in the Netherlands. The organization later adopted the OV-chipkaart electronic payment system in stages. Metro fares moved to the system on 29 January 2009, while bus and tram fares followed on 11 February 2010. This change connected RET's services with the wider Dutch public transport ticketing framework and replaced the previously described fare arrangement for the relevant services. The tram network has continued to be adjusted as RET has sought to organize routes around operational performance and passenger connections. A particularly broad revision took effect on 6 January 2025. Tram lines 21, 23, 24, and 25 were renumbered as 11, 3, 1, and 5. Lines 3 and 5 were arranged to terminate at Rotterdam Centraal, a change described as intended to improve punctuality and reliability. Line 7 was redirected to Marconiplein instead of Willemsplein, while line 8 was routed to Schiebroek via Eendrachtsplein rather than continuing to Leuvehaven and Beurs. A new line 6 provided a fast connection between Kleiweg and Heemraadsplein. Line 20 was suspended, and service frequencies on lines 2, 3, and 5 were increased. These changes illustrate RET's continuing function as a network manager as well as a vehicle operator. Its historical tram identity now sits within a broader public transport system combining surface routes and metro or light-rail operations. The available sources do not provide a detailed account of ownership, corporate structure, financial performance, or executive leadership. RET is presently active and remains the principal public transport operator identified with Rotterdam.

  • 2025

    Major tram network revision

    [1]

    RET changes most tram numbers and destinations, introduces line 6, suspends line 20, and increases frequencies on several lines.

  • 2010

    Bus and tram fares adopt the OV-chipkaart

    [1]

    OV-chipkaart use is extended to RET bus and tram fares on 11 February.

  • 2009

    Metro fares adopt the OV-chipkaart

    [1]

    RET introduces OV-chipkaart electronic ticketing for metro fares on 29 January.

  • 1905

    RET takes over Rotterdam tram lines

    [1]

    Rotterdamse Elektrische Tram begins operations after taking over the city's tram lines from the Rotterdamsche Tramweg Maatschappij.

Products and positioning

Multimodal urban and regional public transport operator for Rotterdam and surrounding municipalities.

  • Urban rail · 1905

    Tram services

    RET's tram network is the service most directly reflected in its historic name. The network provides surface urban transport across Rotterdam and has undergone repeated route and numbering adjustments. The 2025 revision reorganized most line numbers and destinations, introduced line 6, suspended line 20, and increased frequencies on selected routes.

  • Road public transport

    Bus services

    RET operates an extensive bus network serving Rotterdam and surrounding municipalities. The referenced material identifies 64 bus lines. Bus services form one of the operator's principal modes and use the OV-chipkaart fare system alongside the tram and metro networks.

  • Urban rail

    Metro and light-rail services

    RET operates five metro or light-rail lines in Rotterdam and nearby municipalities. These services provide higher-capacity urban connections and were the first RET mode cited as moving to OV-chipkaart electronic fare collection, on 29 January 2009.

  • Public transport ticketing · 2009

    OV-chipkaart fare services

    RET supports the Dutch OV-chipkaart electronic ticketing system across its principal services. Metro fares adopted the system in 2009, followed by bus and tram fares in 2010.

Brand decisions

  • 2025

    Reorganize tram numbers, routes, and frequenciesStrategy

    Background

    RET revised most tram line numbers and destinations from 6 January 2025. The changes included routing lines 3 and 5 to Rotterdam Centraal to support punctuality and reliability.

    Action taken

    Lines 21, 23, 24, and 25 became lines 11, 3, 1, and 5. Line 6 was added, line 20 was suspended, line 7 was redirected to Marconiplein, line 8 was routed to Schiebroek via Eendrachtsplein, and frequencies on lines 2, 3, and 5 were increased.

    Aftermath

    The cited material describes the intended operational goals as improved punctuality and reliability; it does not provide later performance results.

  • 2010

    Extend OV-chipkaart ticketing to buses and tramsStrategy

    Background

    Following the metro transition, RET continued moving its network away from the previously used national tariff arrangement.

    Action taken

    Bus and tram fares adopted OV-chipkaart payment on 11 February 2010.

    Aftermath

    The cited transition brought the operator's principal modes under the electronic ticketing system.

  • 2009

    Introduce OV-chipkaart metro ticketingStrategy

    Background

    RET historically used the national public transport tariff system used by other Dutch local transport companies.

    Action taken

    Metro fares switched to the OV-chipkaart electronic payment system on 29 January 2009.

    Aftermath

    The change began RET's cited transition to electronic fare collection, which was later extended to bus and tram services.

Sources1 sources

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