During the era of racial segregation in the United States, infrastructure was often used as a tool to enforce discriminatory practices. One striking example is the construction of low-clearance bridges on bus routes as a means to prevent Black passengers from accessing transportation to certain neighborhoods. This deliberate architectural decision effectively barred many Black people from traveling freely, reinforcing racial divides and limiting economic and social opportunities. I remember learning about these low bridges during Black History Month discussions, and it struck me how something as seemingly mundane as a bridge could carry such a heavy symbolic and practical weight. These structures were designed with precise measurements—low enough to physically block buses but not passenger cars, targeting public transit routes predominantly used by Black communities. This form of segregation wasn't always visible or openly acknowledged, but it profoundly affected the mobility and lives of Black Americans. It reminds us that systemic racism was embedded in many facets of daily life, including public infrastructure. Contemporary infrastructure policies must recognize this history to ensure equitable access and prevent similar discriminatory practices. The words seen on speed limit signs, such as "SPEED" and "LIMIT," symbolize the control exerted over movement in these segregated spaces. Often, these signs coexisted with physical barriers like low bridges, showing how regulation and built environment worked hand-in-hand to restrict Black mobility. Understanding this history enriches our awareness of the struggles faced and highlights the importance of advocating for equal access to public transportation today. It’s crucial to keep sharing these stories during Black History Month and beyond to honor resilience and drive progress toward inclusive urban planning.