Divisive roads

Divisive infrastructure patterns

Nature

Divisive roads are transportation infrastructures that physically separate communities, often leading to social, economic, and environmental problems. These roads can act as barriers, limiting access to essential services, reducing social cohesion, and exacerbating inequalities. They may disrupt neighborhoods, hinder pedestrian movement, and contribute to noise and air pollution. Historically, divisive roads have disproportionately affected marginalized populations, reinforcing segregation and limiting opportunities for mobility and development. Addressing the issue of divisive roads involves urban planning strategies that prioritize connectivity, equity, and community well-being, aiming to mitigate their negative impacts and promote more inclusive, integrated urban environments.

Background

The global significance of divisive roads emerged in the mid-20th century, as urban planners and social scientists observed how major transport corridors physically split communities, exacerbating social and economic divides. Landmark studies in cities like Detroit and Johannesburg highlighted the enduring impact of such infrastructure on segregation and access to resources. Over time, international research and advocacy have increasingly recognized divisive roads as a persistent barrier to urban cohesion and equitable development.

Incidence

Divisive roads are a significant global issue, with major highways and thoroughfares frequently bisecting communities, disrupting social cohesion, and disproportionately affecting marginalized populations. Urban and rural areas alike have witnessed neighborhoods physically and socially fragmented by road infrastructure, leading to reduced access to essential services, economic opportunities, and green spaces. The scale of this problem is evident in cities across continents, where road placement has contributed to long-term patterns of segregation and inequality.
In 2021, the construction of the Nairobi Expressway in Kenya drew widespread criticism for dividing neighborhoods such as Westlands and Mlolongo. Residents reported increased travel times, restricted pedestrian access, and diminished local business activity, highlighting the ongoing impact of divisive road projects.

Claim

We build structures to cross rivers with no consideration for the significance of the river, or for nature's flow. Bridges are species specific made for human use. Cement highways, steel railways, canals, pipelines, powerlines and other infrastructure divide earth into a chaotic, lifeless, trash-covered checkerboard.

Counter-claim

The notion that "divisive roads" are a significant problem is utterly exaggerated. Roads are simply infrastructure, designed for transportation and efficiency, not for social engineering. Blaming roads for societal divisions distracts from real issues like education, healthcare, and economic inequality. Focusing on roads as a source of division is a waste of time and resources—let’s address genuine problems instead of inventing new ones where none truly exist.