The 12 Days of Safety Myths December 15, 2018 by Don Kostelec Standard, /ˈstandərd/, noun:  a required or agreed level of quality or attainment. Required level? Or agreed level? That’s a big difference in how we interpret what exactly a standard consists of in the street design realm. “AASHTO standards” is a phrase used all the … Continue reading On the 6th Day of Safety Myths, my DOT gave to me…AASHTO Standards!