The level of street-network sprawl in new development in Bihar followed a zig-zag trend with an overall increase. To get a sense of how street development has changed in Bihar, we can consider three of its most populous cities: Hajipur, Patna and Maharajganj. None of the most populous cities follow the same trend as the region. The level of street-network sprawl in new development in Hajipur rose steadily. The level of street-network sprawl in new development in Patna rose steadily. The level of street-network sprawl in new development in Maharajganj followed a zig-zag trend with an overall decrease.

As of 2020, the city with the most disconnected street network in Bihar is Chandanpur with an SNDi of 29.2, which is very sprawly. Conversely, the most connected city is Gamharia with an SNDi of 1.2, which is very well-connected. See trends for these cities: Gamharia, Chandanpur

The level of street-network sprawl in the aggregate network in Bihar rose steadily. To get a sense of how the aggregate street network has changed in Bihar, we can consider three of its most populous cities: Hajipur, Patna and Maharajganj. Out of the three cities, Maharajganj does not follow the same trend as the region. The level of street-network sprawl in the aggregate network in Maharajganj was at its lowest in 1976-1990.