State of Mexico Creates Electric Transport Agency

The Government of the State of Mexico has formally created the Mexiquense Electric Transport System (STEM), a new decentralized public entity designed to plan, develop, and operate electric and low-emission public transport systems across the state. 

The decision was formalized through a decree signed by State of Mexico Governor Delfina Gómez and published in the Government Gazette on Dec. 9, 2025. The new organism will enter into force on March 2, 2026, and will be sectorized under the Ministry of Mobility.

The creation of STEM builds on major transport investments announced in October, when the Government of the State of Mexico unveiled expansion plans for its high-capacity transport systems: Mexicable and Mexibús. The package includes 71.21km of new infrastructure expected to serve an estimated 726,800 passengers per day, increasing the state’s transport network by more than 43%, MBN reports.

Governor Gómez’s plan includes the construction of Mexicable Line 3 and Mexibús Lines V, VI, and VII, extending reliable public transport to new municipalities, including the Toluca Valley and Naucalpan. Prior to the expansion, the state’s Mexibús and Mexicable systems totaled 164.72km, serving 453,277 daily users across municipalities such as Tlalnepantla, Ecatepec, Coacalco, Tecamac, Cuautitlan Izcalli, Tultitlan, Zumpango, Nezahualcoyotl, Chimalhuacan, and Chicoloapan.

The Mexicable Line 3 project will extend 9.5km across the hills of Naucalpan, one of the state’s most complex urban topographies. Featuring 10 stations, the line is designed to serve up to 40,000 users daily, reducing travel times from up to one hour to approximately 30 minutes, and providing a critical mobility solution for hillside communities with limited access to conventional transit.

Among the Mexibús expansions, Line V (Lecheria–CETRAM El Rosario) will span 29.41km, incorporating 29 stations and two terminals. It is expected to serve 137,000 daily users, connecting Cuautitlan Izcalli, Tultitlan, Tlalnepantla, Naucalpan, and parts of Azcapotzalco in Mexico City, easing congestion along one of the state’s busiest industrial and commercial corridors.

Mexibús Line VI, linking Valle de Toluca, Lerma, and Zinacantepec, will add 28.8km per direction, with 44 stations and two terminals. The line will directly serve 88,000 daily commuters and integrate feeder routes from San Mateo Atenco, Metepec, and Almoloya de Juarez, supporting the region’s rapid population and economic growth.

Meanwhile, Mexibús Line VII, serving Nezahualcoyotl and Chimalhuacan, will cover 3.5km along Avenida Chimalhuacan, with six stations and a projected ridership of more than 81,400 users per day, addressing mobility demand in some of the state’s most densely populated eastern municipalities.

Within this broader transformation, STEM will serve as the institutional backbone for electric mobility. The new organism will be responsible for the planning, construction, administration, operation, regulation, and supervision of electric and hybrid transport systems, including trains, trolleybuses, cable cars, and complementary feeder routes. It will also oversee fare systems, ensure technological interoperability in payment platforms, manage concessions, and supervise infrastructure maintenance and safety standards. Services may be operated directly or through concessionaires. 

The state government has framed STEM as a cornerstone of Plan Colibrí’s multimodal mobility strategy, positioning electric public transport as both a climate policy tool and a mechanism for social equity, regional integration, and long-term economic competitiveness.