Transportation is the biggest contributor to greenhouse gas emissions in the U.S, making President-elect Biden’s choice for Transportation Secretary—and the department’s policies on emissions, electric vehicles, and autonomous vehicles—critical.
Between DART service optimization and deciding the fate of I-345, Dallas has big of decisions to make. The right consultant, who understands accurate framing of planning issues, could help choose a route that best serves Dallasites.
Transportation demand models offer predictions that are used to make important decisions, but their accuracy is questionable. The real issue, however, might be about the goals of planning and how urban life and livability are quantified.
Induced traffic occurs when new highway capacity speeds up traffic, allowing travelers to drive further, increasing sprawl. A review of major highway project plans finds that most fail to accurately account for induced travel effects.
Transportation Research Record: The Journal of the Transportation Research Board
Some motorists see open roads as an opportunity for stress relief. Transportation officials urge motorists to slow down, citing dramatically increased rates of speeding since the onset of the pandemic.
Dubbed the "Seattle Squeeze," heavier traffic is expected in the new year as the Alaskan Way Viaduct closes and downtown construction projects continue. While the city prepares, activists want to use the opportunity to encourage other modes.
A pair of new studies add to an emerging scientific model of the effect of transportation network companies like Uber and Lyft. The complication: One study reinforces earlier findings, and the other contradicts.
Past studies have shown how ride hailing services have added to congestion. A new study by Bruce Schaller suggests that even ride shares add to traffic, because they pull riders off of more efficient transit options like public transit.