Figure 1 Development of Dhaka City, source: Author

Figure 2 Road Network of Dhaka City, source: world bank, 2022

Figure 3 Topographic map of Dhaka, source: topographic-map.com, 2022

Figure 4 Pluvial flooding scenario (Top) and Fluvial flooding scenario (Bottom)

Figure 5 Conceptual Framework

Figure 6 Data processing flow: Spatial data management, computational analysis, visualization

Figure 7 Flood scenario of Dhaka city in (a) 2004, (b) 2007, and (c) 2014.

Figure 8 Current scenario of flood in Dhaka city, 2022, source: https://www.aa.com.tr, 2022

Figure 9 Road Network during a regular day

Figure 10 Road Network affected by the flood

Figure 11 Impact of flood over the street network of Dhaka

Figure 12 Flood impact on the east-west major connection of Dhaka

Figure 13 Flood impact on the north-south major connection of Dhaka

Figure 14 Flood impact at the meso-scale in Khilgaon residential area, Dhaka

Figure 15 Existing situation of the potential alternative roads during flooding time

Figure 16 Timeline for the strategies

Table 1 Changes in BtHn values in before and after situation of flooding in selected roads