1) While some transport planning policies and ideas can transfer between developed and developing nations, direct transfers often fail due to differences in land use, travel behavior, data availability, and decision-making processes.
2) Urban transport planning models used in developed nations typically assume homogeneous land use and focus only on motorized congestion, neglecting important non-motorized and informal transit in developing cities.
3) Rural transport policies also differ greatly, as developing nation policies emphasize links between transport and agriculture as well as participatory community engagement, while developed nation policies focus more on accessibility and mobility issues.