Plovdiv in context: Street-network sprawl trends

Plovdiv in context

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
PlovdivBulgaria (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Plovdiv plotted against Bulgaria. The SNDi of new construction in Plovdiv was at its lowest in 1976-1990, while Bulgaria rose steadily. Most recently, Plovdiv's incremental SNDi rose from 2.42 to 3.99 between 1991-2005 and 2006-2020. In terms of the aggregate network, Plovdiv ranked 5th out of 6 in Bulgaria as of 2020.

New Street Additions (2006–2020)

SNDi value
3.99
Rank in Bulgaria
5th of 6

Entire Network (Aggregate)

SNDi value
2.05
Rank in Bulgaria
5th of 6

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

What about similarly populated cities?

2.12.83.54.2<19751976–19901991–20052006–2020SNDi of street additions
2.12.83.54.2<19751976–19901991–20052006–2020SNDi of entire street network
PlovdivOmahaZanjan

In new street additions, Plovdiv and Zanjan both built increasingly connected streets from 1975 through 1976-1990, then shifted to more disconnected patterns, while Omaha built increasingly disconnected streets from 1975 through 1991-2005, then improved. For the full network, Plovdiv and Zanjan both became more connected from 1975 through 1976-1990, then grew more sprawly from 1976-1990 onwards, while Omaha became progressively more disconnected. Notably, Plovdiv had a more sprawly network than Omaha in 1975 but the two have since reversed their relative ranking.