Methodology
Data (number of crashes per year and signal information) was retrieved for the four states, and all were obtained directly from the agency staff. The sites were studied for the year 2015…
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State DOTs increasingly contract with private, for-profit firms for highway maintenance services as a means to make up for inadequate staffing at the government level, a need for specialized…
The Oklahoma Turnpike Authority spends approximately $16,000 per year for operations costs of an electronic toll collection lane. In contrast, the Authority spends approximately $176,000 per year to…