Cross-border traffic from Europe to theU.S.picked up again in April, after tailing off somewhat in March.

FORBES: May 2012, European Leveraged Loan Market Trends and Analysis

The number of cars using the bridge, at 9, 000 a day, is much lower than expected because tolls are steep (SKr500 for a return journey), and cross-border traffic is building up only slowly.

ECONOMIST: Borderless

The car rental industry, with its close ties to airline traffic and hotel bookings, is particularly sensitive to cross-border financial turmoil.

CNN: Hertz boss: We've cut costs by 25%