<p>This paper reports on some limitations that have moved forward from traditional space syntax axial analysis to contemporary normalized angular choice (NaCH) analysis for modeling vehicular movement networks, applied to derive sustainable urban development solutions that involve substantial resource and capital investments. The study focuses on understanding how rationally NaCH attempts to capture route-choice decisions without employing many of the fundamental precepts of vehicular trip-making that take real-world variables into account. For the case of Rochester, a North American city in Minnesota, the regression analysis shows that NaCH results do not account for the majority of the variance in vehicular flows (R² ∼ 0.26 to 0.35). Instead, the non-normalized measures surpass the NaCH variance with a sensible margin (R² ∼ 0.42). Several inconsistencies in the map development process related to vehicular movements within a network—such as mixed network typologies, the bend-intersection paradox, segment-stretch equivalency, terminal segment influence, and land-use-influence incongruity—have been identified as the basis for the NaCH analysis not performing so well. Conclusions suggest that incorporating real-world variables into the methodology for determining analysis units, while addressing the essential precepts of vehicular trip-making, can make the space syntax approach to modeling vehicular movement networks more rational and comprehensive.</p>