# Civil engineering — SESTRA

With a long track record in civil works, SESTRA undertakes all kinds of projects in this field, having delivered numerous major interventions in linear works (roads, railways, cycle lanes), road interchanges, urban mobility schemes, urban development and stabilisation and retaining works, both in Spain for provincial and local authorities and internationally.

## Projects

- [Replacement of the Gabolats bridge in Soraluze](https://sestra.es/en/projects/proyecto-de-sustitucion-del-puente-gabolats-en-soraluze/) — Client: URA Agencia vasca del agua – Uraren euskal agentzia — Soraluze, Gipuzkoa
- [Renaturalisation of the Artia channel (GI-636 – Bidasoa river section)](https://sestra.es/en/projects/proyecto-naturalizacion-del-canal-de-artia-tramo-gi-636-rio-bidasoa/) — Client: Ayuntamiento de Irun — Irun, Gipuzkoa
- [Noise barriers on the AP-8 motorway in Zarautz](https://sestra.es/en/projects/implantacion-de-pantallas-acusticas-entre-los-p-p-k-k-38130-al-39512-de-la-autopista-ap-8-en-el-termino-municipal-de-zarautz/) — Client: Bidegi, S.A. — Zarautz, Gipuzkoa
- [Connection of the GI-2132 in Astigarraga with Industrial Estate 27](https://sestra.es/en/projects/conexion-de-la-gi-2132-en-astigarraga-con-el-poligono-27/) — Client: Diputación Foral de Gipuzkoa — Astigarraga, Gipuzkoa
- [Lezo–Donibane cycle and pedestrian path, section 01 008F](https://sestra.es/en/projects/via-ciclista-peatonal-lezo-donibane-tramo-01-008f/) — Client: Diputación Foral de Gipuzkoa — Lezo – Pasaia, Gipuzkoa
- [New Irun junction on the AP-8 motorway](https://sestra.es/en/projects/nuevo-enlace-de-irun-en-la-autopista-ap-8/) — Client: Bidegi, S.A. — Irun, Gipuzkoa
- [Urban development of AOU 6 – Olatzar (Lezo)](https://sestra.es/en/projects/urbanizacion-del-aou-6-olatzar-lezo/) — Client: Construcciones Michelena y Lecuona Sucesores, S.L. — Lezo, Gipuzkoa
- [Marrutxipi junction on the GI-20 San Sebastián bypass](https://sestra.es/en/projects/enlace-de-marrutxipi-en-la-gi-20-variante-de-san-sebastian/) — Client: Diputación Foral de Gipuzkoa — Donostia-San Sebastián, Gipuzkoa
- [Pedestrian underpass beneath the GI-2360](https://sestra.es/en/projects/paso-inferior-peatonal-bajo-ctra-gi-2360-en-pk-12700/) — Client: Ayuntamiento de Oñati — Oñati, Gipuzkoa
- [Oiartzun integrated transport centre](https://sestra.es/en/projects/centro-integral-del-transporte-de-oiartzun/) — Client: Bidegi, S.A. — Oiartzun, Gipuzkoa
- [Astigarraga integrated transport centre](https://sestra.es/en/projects/centro-integral-del-transporte-de-astigarraga-y-oiartzun/) — Client: Bidegi, S.A. — Astigarraga, Gipuzkoa
- [Urban development of Basaundi Bailara (A.I.U. A-27)](https://sestra.es/en/projects/urbanizacion-en-el-ambito-de-basaundi-bailara-del-a-i-u-a-27/) — Client: Ayuntamiento de Lasarte-Oria — Lasarte-Oria, Gipuzkoa
- [North Tarrant Expressway: segment 3C](https://sestra.es/en/projects/north-tarrant-expressway-tramo-3c/) — Client: Texas Department of Transportation — Texas, EE. UU.
- [North Tarrant Expressway, Fort Worth, Texas](https://sestra.es/en/projects/north-tarrant-expressway-fort-worth-texas/) — Client: Texas Department of Transportation – Ferrovial Agroman US Corp. — Fort Worth, Texas, EE. UU.
- [Phase 1 – Viaduct over the Obetsebi Lamptey interchange, Ghana](https://sestra.es/en/projects/fase-1-viaducto-sobre-el-intercambiador-obetsebi-lamptey-ghana/) — Client: Ministry of Roads and Highways of Ghana. Department of Urban Roads — Accra, Ghana
- [Grade-separated crossing at Mme. Lynch – Aviadores del Chaco](https://sestra.es/en/projects/paso-a-desnivel-en-la-interseccion-mme-lynch-aviadores-del-chaco/) — Client: Ministerio de Obras Públicas y Comunicaciones del Paraguay — Asunción, Paraguay
- [Cycle path between Azitain and Maltzaga, Eibar](https://sestra.es/en/projects/bidegorri-entre-azitain-y-maltzaga-eibar/) — Client: Diputación Foral de Gipuzkoa — Eibar, Gipuzkoa
- [Kasoa interchange, Ghana](https://sestra.es/en/projects/interconexion-de-kasoa-ghana/) — Client: Ghana’s Ministry of Roads and Highways — Kasoa, Ghana
- [Noise barrier installation on the A-8](https://sestra.es/en/projects/instalacion-de-pantallas-anti-ruido-en-a-8/) — Client: Bidegi, S.A. — Gipuzkoa
- [Irun southern ring road, phase 1](https://sestra.es/en/projects/ronda-sur-de-irun-1a-fase/) — Client: Ayuntamiento de Irun — Irun, Gipuzkoa
- [Stabilisation of the GI-3661 to Higer lighthouse](https://sestra.es/en/projects/estabilizacion-gi-3661-al-faro-de-higuer/) — Client: Diputación Foral de Gipuzkoa — Hondarribia, Gipuzkoa
- [Kamiñalde slope stabilisation](https://sestra.es/en/projects/estabilizacion-de-ladera-kaminalde/) — Client: Ayuntamiento de Ondarroa — Ondarroa, Bizkaia
- [Iztueta underpass in Gros](https://sestra.es/en/projects/paso-inferior-de-iztueta-en-gros/) — Client: Ayuntamiento de Donostia-San Sebastián — Donostia-San Sebastián, Gipuzkoa
- [Gipuzkoa Science and Technology Park at Galarreta](https://sestra.es/en/projects/p-c-y-t-de-gipuzkoa-en-galarreta/) — Client: Junta de Concertación (Parque Tecnológico y Orona) — Hernani, Gipuzkoa
- [Armendigain urban development](https://sestra.es/en/projects/urbanizacion-armendigain/) — Client: Ayuntamiento de Aia — Aia, Gipuzkoa
- [Atxuri park](https://sestra.es/en/projects/parque-atxuri/) — Client: Ayuntamiento de Soraluze — Soraluze, Gipuzkoa
- [Reina Regente streetscape](https://sestra.es/en/projects/urbanizacion-reina-regente/) — Client: Ayuntamiento de San Sebastian — Donostia-San Sebastián, Gipuzkoa
- [Anchored retaining wall, Gaztetape building](https://sestra.es/en/projects/muro-anclado-edificio-gaztetape/) — Client: Indaux — Getaria, Gipuzkoa
- [Underpass beneath the N-I](https://sestra.es/en/projects/paso-inferior-bajo-al-ni/) — Client: DFG - Diputación Foral de Gipuzkoa — Lasarte-Oria, Gipuzkoa
- [Urnieta cut-and-cover tunnel](https://sestra.es/en/projects/tunel-artificial-de-urnieta/) — Client: DFG - Diputación Foral de Gipuzkoa — Urnieta, Gipuzkoa
- [Martutene–Hospitals–GI-20 connection](https://sestra.es/en/projects/conexion-m-h-gi20/) — Client: DFG - Diputación Foral de Gipuzkoa — Donostia-San Sebastián, Gipuzkoa
- [Left bank of Ondarroa harbour](https://sestra.es/en/projects/margen-izquierda-del-puerto-de-ondarroa/) — Client: Gobierno Vasco — Ondarroa, Bizkaia
- [Ibaiondo public lift](https://sestra.es/en/projects/ascensor-de-ibaiondo/) — Client: Ayuntamiento de Azkoitia — Azkoitia, Gipuzkoa
- [30 km/h zones in Donostia](https://sestra.es/en/projects/zonas-30-donostia/) — Client: Ayuntamiento de San Sebastian — Donostia-San Sebastián, Gipuzkoa
- [Pedestrianisation of Soraluze town centre](https://sestra.es/en/projects/peatonalizacion-nucleo-urbano-de-soraluze/) — Client: Ayuntamiento de Soraluze — Soraluze, Gipuzkoa
- [Boulevard cycle lane](https://sestra.es/en/projects/carril-bici-boulevard/) — Client: Ayuntamiento de San Sebastián — Donostia-San Sebastián, Gipuzkoa
- [Herrera–Buenavista cycle lane](https://sestra.es/en/projects/carril-bici-herrera-buenavista/) — Client: DFG - Diputación Foral de Gipuzkoa — Pasaia, Gipuzkoa
- [Gipuzkoa Science and Technology Park](https://sestra.es/en/projects/parque-tecnologico-y-cientifico-de-gipuzkoa/) — Client: Junta de Concertación (Parque Tecnológico y Orona) — Donostia-San Sebastián, Gipuzkoa
- [Track doubling of the Bilbao–Donostia line, Lasarte–Rekalde](https://sestra.es/en/projects/pc-desdoblamiento-linea-bilbao-donostia-lasarte-rekalde/) — Client: ETS - Euskal Trenbide Sarea — Lasarte-Oria, Gipuzkoa
- [Feasibility study for the Anoeta rail undergrounding](https://sestra.es/en/projects/estudio-viabilidad-soterramiento-anoeta/) — Client: ETS - Euskal Trenbide Sarea — Donostia-San Sebastián, Gipuzkoa
- [Etxabarri-Ibiña junction](https://sestra.es/en/projects/enlace-de-etxabarri-ibina/) — Client: DFA - Diputación Foral de Álava — Araba/Álava
- [New road accesses to San Sebastián](https://sestra.es/en/projects/accesos-a-san-sebastian/) — Client: DFG - Diputación Foral de Gipuzkoa — Donostia-San Sebastián, Gipuzkoa
- [Martutene–Hospitals–GI-20 junction](https://sestra.es/en/projects/enlace-martutene-hospitales-gi20/) — Client: DFG - Diputación Foral de Gipuzkoa — Donostia-San Sebastián, Gipuzkoa
- [A-15 dual carriageway](https://sestra.es/en/projects/autovia-a-15/) — Client: DFG - Diputación Foral de Gipuzkoa — Andoain – Urnieta, Gipuzkoa
- [AP-1 motorway](https://sestra.es/en/projects/autopista-ap-1/) — Client: DFG - Diputación Foral de Gipuzkoa — Gipuzkoa

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