The impasse des Lilas in Aix-Villemaur-Pâlis presents a problem that most online maps do not resolve: that of reliable addressing in a municipality resulting from successive mergers. The rue des Tilleuls is consistently cited as the main access road, but according to the consulted source (GPS, National Address Database, municipal cadastral plan), the affiliation of this impasse varies in wording and geolocation.
National Address Database and GPS: Concrete Discrepancies in Merged Municipalities
Aix-Villemaur-Pâlis results from the merging of several former municipalities, which creates a layer of complexity in the referencing of roads. The National Address Database (BAN) aggregates data transmitted by town halls, but small merged municipalities often lag in updates.
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In practice, we observe that public GPS systems (Google Maps, Waze, Apple Maps) do not always point to the same location when entering “impasse des Lilas, Aix-Villemaur-Pâlis.” Some redirect to the former municipal code of Estissac-Villemaur-sur-Vanne, while others point to the postal code 10160.
This inconsistency is far from anecdotal. For a delivery, a notarized act, or a building permit application, a poorly referenced address can block an administrative file. The cadastral plan remains the only source that is legally binding, and it can be consulted on the IGN geoportal or at the town hall.
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When looking to consult the map of the impasse des Lilas in Aix-Villemaur-Pâlis, at least two sources must be cross-referenced to confirm the actual layout of the road and its current municipal affiliation.
Access to the impasse des Lilas: rue des Tilleuls and Access Roads
The rue des Tilleuls serves as the main access to the impasse des Lilas. This information is corroborated by almost all available sources, from educational help sites to real estate databases.
Three other roads regularly appear in the immediate vicinity:
- Rue Léon Blum, which serves the neighborhood from the north and connects to the town center
- Rue Francis de Pressensé, a secondary axis linking the town hall area
- Avenue Henri Barbusse, a wider road that structures traffic in this part of the municipality
Some sources also mention rue des Lilas and the place de la Mairie as anchor points, suggesting that the neighborhood has several possible routes depending on the direction of arrival. An impasse, by definition, has only one drivable entrance, but the pedestrian network may offer shortcuts that road maps do not show.
Reliability of the Municipal Plan in Small Municipalities of the Aube
The municipal plan displayed at the town hall or on the community’s website has no cadastral value. It serves as a visual reference, nothing more. In rural municipalities of the Aube, the municipal plan is rarely updated after a merger, which maintains obsolete names.
We recommend prioritizing three complementary sources to eliminate any ambiguity:
- The IGN geoportal, which overlays the cadastral plan and recent aerial photographs
- The National Address Database (adresse.data.gouv.fr), which allows verification of the official wording of a road
- The town hall’s urban planning service, the only authorized contact to confirm a road number for an administrative document
Real estate platforms and online street directories (like OpenAlfa, Mappy) compile this data with varying delays. A gap of a few months can be enough to create an inconsistency between the street name displayed and that recorded in the land registry.
Impasse des Lilas and Property Valuation: The Importance of Exact Location
For any property valuation or sale project on a road like the impasse des Lilas, the accuracy of the address directly impacts the property’s valuation. Online estimation tools (MeilleursAgents, DVF, notarial databases) rely on the road code and municipal code to link a transaction to a geographical area.
If the property is registered under an old municipal name, the comparables retrieved by the algorithm may come from an incorrect geographical area. In a merged municipality where prices per square meter vary significantly from one hamlet to another, addressing errors skew the estimate by several percentage points.
We find that real estate professionals in the Aube systematically check the Rivoli code of the road before producing a valuation report. This reflex, common in dense urban areas, remains little practiced by individuals in rural areas.
Check the Rivoli Code Before Any Procedure
The Rivoli code (or Fantoir code) uniquely identifies each road at the national level. For the impasse des Lilas, this code helps eliminate any confusion with possible namesakes in neighboring municipalities. It is accessible via the downloadable Fantoir file on the public finances website or by simple request to the town hall’s cadastral service.
A property located in an impasse often benefits from a quiet setting sought by buyers, but the logistical counterpart (firefighter access, maneuvering delivery vehicles, garbage collection) must be documented in the sales file. The plan of the road, even if basic, provides this clarity.
The next time a GPS drops you at the entrance of the wrong street in a merged municipality of the Aube, the problem comes from neither the driver nor the satellite. It stems from a database that has not yet caught up with the administrative reality on the ground.