Few issues are more emotional, and therefore vulnerable to bad analysis, than urban crime risk. Solid research indicates that more compact and mixed development tends to increase neighborhood security. Jane Jacobs was right!
Arnab Chakraborty of the University of Illinois at Urbana-Champaign and Andrew McMillan of the University of Maryland College Park guest blog about a recent article in the Journal of Planning Education and Research.
Conventional evaluation often exaggerates congestion costs by using baseline travel speeds which exceed speed limits. This assumes that traffic speed compliance is a congestion cost that justifies major infrastructure investments to alleviate.