Sunday, June 3, 2018

‘Complete Streets’ Is Just an Excuse for Government to Spend

My invited commentary in Honolulu Star Advertiser


For decades, traffic engineering meant moving cars. Planners decided that this is wrong and moved the discussion from moving cars to moving people; they said streets are not just for cars, trucks and buses, but also for pedestrians, bicycles, street cars, etc.

However, in the typical medium-to-large American city (i.e., with a metro area population of 1 million to 5 million people,) over 90 percent of the people move in cars and buses, and nearly 100 percent of the goods, move in trucks and cars. Also, in traditional and current traffic engineering practice, the service and safety of pedestrians is top priority.

So what are “Complete Streets” about? They are an excuse for government spending with undesirable economic, environmental and safety consequences, typically presented in the form of neighborhood beautification plans adorned with pleasant descriptions.

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Friday, May 25, 2018

Major Driverless Vehicle Faux Pas


In this video the April 2018 Uber/Volvo driverless vehicle accident is analyzed on Israeli TV. The Israel/US (Mobileye/Intel) technology is extolled as superior. Then the superior technology with journalists aboard goes through a red light with schoolgirls about to cross! 

Go to minute 4 and watch the last minute or so of the story. This is a stunning faux pas!

Sunday, May 6, 2018

Critical Challenges in Transportation

I received a survey distributed to transportation committees of the National Academy of Engineering on future challenges that will affect transportation. My main responses are as follows.
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Please indicate to what extent you are interested in being engaged in activities related to the following critical challenges (not at all interested, not so interested, somewhat interested, very interested and extremely interested).

I was very interested or extremely interested in five out of the 14 critical challenges presented, as shown below along with my rationale.

Changing Characteristics of New Technologies & Innovation Environment (autonomous, shared, data-intensive): Potentially disruptive to traffic and freeway operations because we could get rid of most of roadside/ government data collection and tolling equipment, and rely on the big data generated by Connected Autonomous Vehicles (CAV).

Rapid Entry of Silicon Valley Entrepreneurs in Transportation Technology and Services: We’ve got to watch this one. If the "ITs" succeed in taking over a big chunk of transportation, their next goal will be controlling a big chunk of the government.

Changing Demographics, Values, Preferences, & Behaviors (age distribution disparities, evolving service expectations): Demographics are the most predictable among the future unknowns. But "safety behavior" will become a major challenge as driving progressively becomes a secondary task.

Climate Change (increased disruptive events, concern for sustainability): Major concern for sustainability but due to consumption and resource depletion, less due to climate effects… at least till 2050.

Challenges to Planning and Forecasting (forecasting under rapid change, addressing uncertainties, implementing new methods): 20+ year forecasts are exercises in political appropriation of funds and social engineering. Long term forecasts for facilities and services subject to a lot of possible automation aren't useful.