What City Observatory did this week Our apologies to City Observatory readers for our website outage on 19-22 May. More meaningless congestion pseudo science. A new study from the University of Maryland claims that traffic lights cause 20 percent of…
A new study calculates that twenty percent of all time “lost” in travel is due to traffic lights Finally, proof for the Lachner Theorem: Traffic signals are a major cause of traffic delay Another classic example of pseudo-science: Big data and…
What City Observatory did this week Another exploding whale: The cost of the I-205 bridge project doubles in four years. Famously in the 1960s, the Oregon State Highway Department tried to dispose of the carcass of a whale that had…
It now looks like Oregon DOT’s I-205 Abernethy Bridge rebuild, advertised as costing $248 million, will really cost $500 million The project’s estimated cost has doubled in just four years, and still has further cost overrun risk The Oregon DOT…
What City Observatory did this week Just Say “No” to freeway widening zealots. George Santayana meet David Bragdon: Those who don’t learn from history are doomed to repeat the failures of the past. A year ago, we published this commentary…