Roads, bridges, and tunnels that require drivers to pay a fee for usage are referred to as toll highways, turnpikes, or toll structures. The fee collected is typically used to repay the money previously borrowed for the road construction. As the debit is paid off, the toll may be used for ongoing operations and maintenance. This figure shows the centerline length of toll roads, bridges, and tunnels by State in 2008.
Data Source: US Department of Transportation, Federal Highway Administration, Office of Highway Policy Information, Highway Performance Monitoring System.
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