Marawi in context: Street-network sprawl trends

The chart above shows SNDi trends for new street additions (left panel) and the entire network (right panel), with Marawi plotted against Lanao del Sur and Philippines. The SNDi of new construction in Marawi peaked in 1991-2005, compared to Lanao del Sur which rose steadily and Philippines which rose steadily. Most recently, Marawi's incremental SNDi fell from 5.1 to 5.07 between 1991-2005 and 2006-2020. In terms of the aggregate network, Marawi ranked 1st out of 1 cities in Lanao del Sur and 38th out of 114 in Philippines as of 2020.

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

What about similarly populated cities?

• Semapur, India
• Faridpur, India
• Jagdalpur, India
• Kipushi, Democratic Republic of the Congo
• Wugang, China
• Uromi, Nigeria

In new street additions, Marawi and Kipushi both built increasingly disconnected streets from 1975 through 1991-2005, then improved, while Semapur built increasingly connected streets from 1975 through 1991-2005, then shifted to more disconnected patterns. For the full network, Marawi and Kipushi both became progressively more disconnected, while Semapur became more connected from 1975 through 1991-2005, then grew more sprawly from 1991-2005 onwards. Marawi and Semapur have been converging in their street-network character since 1975.