Orléans in context: Street-network sprawl trends

Orleans in context

2.533.54<19751976–19901991–20052006–2020SNDi of street additions
2.533.54<19751976–19901991–20052006–2020SNDi of entire street network
OrleansCentre-Val de Loire (Region)France (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Orléans plotted against Centre-Val de Loire and France. The SNDi of new construction in Orléans peaked in 1976-1990, compared to Centre-Val de Loire which peaked in 1991-2005 and France which peaked in 1991-2005. Most recently, Orléans's incremental SNDi fell from 3.34 to 3.14 between 1991-2005 and 2006-2020. In terms of the aggregate network, Orléans ranked 4th out of 4 cities in Centre-Val de Loire and 55th out of 73 in France as of 2020.

New Street Additions (2006–2020)

SNDi value
3.14
Rank in France
33rd of 73
Rank in Centre-Val de Loire
3rd of 4

Entire Network (Aggregate)

SNDi value
2.9
Rank in France
55th of 73
Rank in Centre-Val de Loire
4th of 4

Rankings go from most connected to most disconnected — rank 1 is the most connected.

What about similarly populated cities?

481216<19751976–19901991–20052006–2020SNDi of street additions
481216<19751976–19901991–20052006–2020SNDi of entire street network
OrleansMadhubanKamituga

In new street additions, Orléans built increasingly disconnected streets from 1975 through 1976-1990, then improved, while Madhuban built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns and Kamituga built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns. For the full network, Orléans became progressively more disconnected, while Madhuban became progressively more connected and Kamituga became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards.