Matlab in context: Street-network sprawl trends

Matlab in context

5678910<19751976–19901991–20052006–2020SNDi of street additions
5678910<19751976–19901991–20052006–2020SNDi of entire street network
MatlabChittagong (Region)Bangladesh (Country)

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Matlab plotted against Chittagong and Bangladesh. While Chittagong and Bangladesh both followed a zig-zag trend with an overall increase, Matlab's new street additions followed a zig-zag trend with an overall increase. Most recently, Matlab's incremental SNDi rose from 5.94 to 9.49 between 1991-2005 and 2006-2020. In terms of the aggregate network, Matlab ranked 22nd out of 44 cities in Chittagong and 148th out of 234 in Bangladesh as of 2020.

New Street Additions (2006–2020)

SNDi value
9.49
Rank in Bangladesh
141st of 234
Rank in Chittagong
22nd of 44

Entire Network (Aggregate)

SNDi value
7.43
Rank in Bangladesh
148th of 234
Rank in Chittagong
22nd of 44

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

What about similarly populated cities?

0369<19751976–19901991–20052006–2020SNDi of street additions
0369<19751976–19901991–20052006–2020SNDi of entire street network
MatlabGweruDourbali

In new street additions, Matlab fluctuated in its street-construction patterns, while Gweru built increasingly disconnected streets from 1975 through 1976-1990, then improved and Dourbali built increasingly disconnected streets over time. Looking at the full network, Gweru and Dourbali both became progressively more disconnected, while Matlab became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards.