Urban transect Transect urbain

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Definition

The term transect refers to the transdisciplinary practice of crossing and surveying an area along a linear route. Applied to the development of a territory, the transect is a practice whose elements were implemented at the beginning of the 20th century, in particular by the urban planner-botanist Patrick Geddes who, following the work of the German naturalist-geographer Alexander von Humboldt, insisted on its synoptic potential, i.e. its capacity to reveal and make visible the relationships that link forms of collective life to environments and physical settings. A principle consisting in operated traversing through inhabited environments by the media/middle, the transect has also been used by artists and collectives from the 1970s to the present day, particularly in the context of artistic practices and performances.

Cite this item: Nicolas Tixier, “Urban Transect”, translated by Laure Fernandez, Performascope: Interdisciplinary Lexicon of Performance and Research-Creation, Grenoble: Université Grenoble Alpes, 2025, [online]: http://performascope.univ-grenoble-alpes.fr/en/detail/849107/

Perspective

Arts contemporains, urbanisme - Nicolas Tixier, Univ. Grenoble Alpes, CNRS, ENSAG*, AAU_Cresson, 38000, Grenoble, France. * School of Architecture Univ. Grenoble Alpes

 

As an architect, the field addressed in my research, projects and teaching experiences questions what can be grouped together under the term “public thing”, which should be understood here not as a thing, but as a composition, “a theater of action as much as a society” (Isaac Joseph). My current work focuses mainly on the urban transect as a field practice, a technique of representation, and a project posture. Between heritage and fiction, I question territories and the way they are fabricated through ambiences (Tixier, 2023).

 

The transect consists of traversing along a given line. It presents itself as a hybrid device between a technical cut and a sensitive route. It is constructed by drawing, photography, measurement, text or video, as much as it is practiced in situ, mainly by walking. 


As such, the transect enables urban planners, architects and landscape architects to articulate two postures that are usually dissociated: those of analysis and those of design. An important application of the transect in the late 80s was that proposed by New Urbanism, which made it a major design tool with operational rules for codifying the evolution of a place according to its forms (Andrés Duany, Sandy Sorlien, 2021).


The use of transect today mobilizes many disciplines and representation techniques. In its applications, the transect borrows form the inventory its ability to locate and collect the most diverse situations, and refers to Aby Warburg's mnemosynic atlases and Carlos Ginzburg's indexical paradigm, where the passage from the plan to the section line enables the city to be deployed in its social, environmental, historical and projectural thickness. In Deleuzian terms, we see it as the symbol of an approach to the city through the milieu .


The transect can easily become a collective practice, a work space that can be shared and amended between the players in a territory - residents, experts, but also decison-makers, and designers. Between the grand, historical narrative of a city or territory and the pragmatic micro-narratives of use, the transect offers a performative narrative tool for capturing urban situations and ambiences, and thinking about those of tomorrow.


The practoce of the transect is also relatively common in the artistic field, particularly for those working on the urban environment. Among the many possible examples are Edward Ruscha's Every Building on the Sunset Strip (1966), Gordon Cullen's Townscape (1964), Robbert Flick's Sequential Views (1980-1986) and Philip J. Ethington's Ghost Homes (2001), as well as post-situationist artists using walking in their work such as Francis Alÿs, Laurent Malone, Hendrik Sturm and the Stalker collective.


The transect potentially appears as a power to decontextualize, as the elements it mobilizes do not belong to predefined categories and the exchanges it provokes. It also offers an implicit critique of current urban productions such as zoning, by putting local singularities and inhabitant practices back at the center of the debate, in order to better grasp what exists and work on the future of places through and with their inhabited environment, in a way.



Cite this item: Nicolas Tixier, “Urban Transect”, translated by Laure Fernandez, Performascope: Interdisciplinary Lexicon of Performance and Research-Creation, Grenoble: Université Grenoble Alpes, 2025, [online]: http://performascope.univ-grenoble-alpes.fr/en/detail/849107/


Quotation

« Le transect désigne un dispositif d'observation de terrain ou la représentation d'un espace, le long d'un tracé linéaire et selon la dimension verticale, destiné à mettre en évidence une superposition, une succession spatiale ou des relations entre phénomènes. »

Marie-Claire Robic, « Coupe (Transect) », in Hypergéo, 2004, https://hypergeo.eu/coupe-transect

 

« Je pratique des transects, des coupes spatiales en suivant une ligne imaginaire ou réelle. J'apprends des personnes rencontrées spontanément. Je consulte des documents et archives, je prends des rendez-vous avec des informateurs. Je me sens engagé dans une enquête des lieux. Je passe le plus souvent deux ou trois semaines sur le terrain pour préparer un parcours entre deux et dix kilomètres. L'enquête n'est pas aboutie quand j'invite à une promenade publique. Elle se poursuit avec les personnes avec lesquelles je marche. Je les engage dans ce processus de questionnement et recherche, nous lisons ensemble les traces et indices, par conséquent je révise, approfondis ou élargis mes points de vue. »

Hendrik Sturm, Des marches, démarches, 4 février 2020, https://www.esadtpm.fr/actualites-24/des-marches-demarches-441.html.


Bibliography

Franseco Careri, Walkspaces : La marche comme pratique esthétique, Paris, Éd. Jacqueline Chambon, 2013. 



Thierry Davila, Marcher, créer - Déplacements, flâneries, dérives dans l'art de la fin du XXe siècle. Paris, Éd du regard, 2007, 191 p.

 

Andrés Duany, Sandy Sorlien (Éd.), Transect Urbanism: Readings in Human Ecology. Éd. Oro, 2021, 284 p.

 

Patrick Geddes, « The Valley Plan of Civilization » & « The Valley in the Town », in Survey, LIV, 1925.

 

Marie-Claire Robic, « Coupe (Transect) », dans Hypergéo, 2004, https://hypergeo.eu/coupe-transect

 

Nicolas Tixier, « Le transect urbain. Pour une écriture corrélée des ambiances et de l'environnement », in Sabine Barles, Nathalie Blanc (dir.), Écologies urbaines. Sur le terrain, Éd. Economica-Anthropos, Paris, 2016, pp. 130-148.

 

Nicolas Tixier, « Le transect : un opérateur abductif, » in Remi Clot-Goudard, Viviane Huys, Denis Vernant (dir.) Abduction, in revue Recherches sur la philosophie et le langage, Paris, Éd. Vrin, n°34, novembre 2018.

 

Nicolas Tixier, « L'affaire de l'aqueduc de la Reine Pédauque. Héritages / Fictions », in Rachel Brahy, Jean-Paul Thibaud, Nicolas Tixier, Nathalie Zaccaï-Reyners (dir.), L'enchantement qui revient, Éd. Hermann, Paris, collection Colloques de Cerisy, mars 2023, 315-326.