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  2. Grade (slope) - Wikipedia

    en.wikipedia.org/wiki/Grade_(slope)

    Gradients can be expressed as an angle, as feet per mile, feet per chain, 1 in n, x % or y per mille. Since designers like round figures, the method of expression can affect the gradients selected. [citation needed] A 1371-metre long stretch of railroad with a 20‰ (2%) slope, Czech Republic

  3. Pennsylvania Turnpike - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Turnpike

    The toll rate was about $0.01 per mile ($0.0062/km) (equivalent to $0.17 per mile ($0.11/km) in 2023 [110]) when the turnpike opened. The ticket system was used to pay for tolls. [ 172 ] This toll rate remained the same for the turnpike's first 25 years; other toll roads (such as the New York State Thruway and the Ohio, Connecticut , and ...

  4. Road pricing - Wikipedia

    en.wikipedia.org/wiki/Road_pricing

    Road pricing are direct charges ... Revenues that exceed direct costs of road construction ... ranging from 2p per mile on uncongested roads to £1.34 on the ...

  5. Open road tolling keeps PA Turnpike’s per-mile rate mid-tier ...

    www.aol.com/open-road-tolling-keeps-pa-143126738...

    When Open Road Tolling (ORT) goes live on January 5, 2025, it will standardize rates and bring uniformity. These per-mile rates will keep toll rates on the PA Turnpike mid-range compared to other ...

  6. Otta seal - Wikipedia

    en.wikipedia.org/wiki/Otta_seal

    The cost for a double layer Otta seal is about US $2.00 to US $2.70 per square meter (US $2.40 to US $3.25 per square yard) and will last from 8 to 15 years. For a road that is 1.6 km (1 mile) long and 12 m (40 feet) wide it would cost between US $39,000 to US $52,000.

  7. Grading (earthworks) - Wikipedia

    en.wikipedia.org/wiki/Grading_(earthworks)

    Section through railway track and foundation showing the sub-grade. Grading in civil engineering and landscape architectural construction is the work of ensuring a level base, or one with a specified slope, [1] for a construction work such as a foundation, the base course for a road or a railway, or landscape and garden improvements, or surface drainage.

  8. Portage Glacier Highway - Wikipedia

    en.wikipedia.org/wiki/Portage_Glacier_Highway

    The average passenger vehicle toll cost per mile is $39.42, while the average per-mile vehicle price for trucks is $39.52. [31] The tunnel is operated on a strict time schedule, with vehicles being allowed in for 15 minutes from each direction before alternating to the other.

  9. Interstate Highway standards - Wikipedia

    en.wikipedia.org/wiki/Interstate_Highway_standards

    Interstate 670, a spur of Interstate 70, also fails to reach the 50 mile per hour minimum and instead passes through Downtown Kansas City, Missouri at 45 miles per hour. [citation needed] Interstate 75 on the Mackinac Bridge between St. Ignace and Mackinaw City, Michigan, is undivided. The bridge was designed before the start of the Interstate ...