It is of vital importance to identify our shared strengths and weaknesses on our bicycle urbanism journey, but also to pay heed to the various allies who are often, in fact, our antagonists. Traffic engineering is one, but so is architecture. To many people, this may seem odd. Isn’t architecture much the same as urban planning? Unfortunately, the divide is greater than it should be. The obsession with pretty buildings—inherent in architecture—all too often doesn’t extend to an understanding of the space around a building.