Category Archives: Transportation

Some Relief on U.S. Congestion

(Editor’s note:  As Virginia plans for future road construction, expansion and possible High Occupancy Toll lanes, this article is important to that discussion.) Big-data firm INRIX last month released its 2017 Global Traffic Scorecard. It reports data on the extent … Continue reading

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New Commuting Data from Census ACS Data

The American Community Survey data on vehicle ownership and commuting mode choice were released last month by the U.S. Census Bureau. The headline finding was that the fraction of those working mostly at home nationwide—5.2%—now exceeds the national average for … Continue reading

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Unconventional Vehicles: Two Radically Different Visions

There is no question that personal transportation will undergo significant changes in coming decades. Three such changes will be the advent of affordable electric vehicles, fully autonomous vehicles, and mobility as a service (MaaS) in which people opt to rely … Continue reading

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Trucks-Only Tolling a Disturbing Trend

Two more states may follow the lead of Rhode Island by imposing tolls (or increased toll rates) on heavy trucks, so as to invest the proceeds in highway improvements that will benefit all highway users. A study under way by … Continue reading

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E-ZPass Still Not Inter-operable, Two Years After Deadline

Since the advent of electronic toll collection, toll agencies have been pushing for nationwide inter-operability. Inter-operability allows a toll road user with an account in one state to use that tolling technology on toll roads in a different state. In … Continue reading

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