The white paper's determination to change travel patterns in favour of public transport is being down-played.

ECONOMIST: Transport

Tube-travel patterns are regular: entering the system at one station tends to mean leaving it at a particular other one.

ECONOMIST: Urban research

Winship also says it's best to consider which airlines fly out of your hometown airport and your usual travel patterns when choosing a program.

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It's unclear whether a record of the gun incident or other risk factors -- Chukwu's travel patterns and personal profile -- triggered his secondary screening in Detroit.

CNN: STORY HIGHLIGHTS

They factored in passengers' travel patterns, the airports' geographic locations, interactions between airports and even passenger waiting times for their study, published July 19 in the journal PLoS ONE.

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As he explains, the EU is not a single market in the same way that the U.S. is, and the travel patterns on both sides of the Atlantic are different.

CNN: Open Skies: the bell rings for round two

But the work has proceeded haltingly, with sometimes unsteady funding, and in inconvenient patterns that reduce the overall capacity of the region's rails even as riders increasingly turn to train travel.

WSJ: Rail Corridor Hit With Major Outage