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High Speed Test Track: 7.5-mile (12.1-km) oval test track contains four asphalt lanes on the front straightaway and curves and five asphalt lanes on the back straightaway. The 7.5-mile test track's parabolic banking allows neutral speeds up to 140 mph (225 km/h). The test track features level 2-mile (3.2 km) straightaways.
Roadway noise is the collective sound energy emanating from motor vehicles. It consists chiefly of road surface, tire, engine/transmission, aerodynamic, and braking elements. Noise of rolling tires driving on pavement is found to be the biggest contributor of highway noise and increases with higher vehicle speeds. [1] [2] [3]
Noise, vibration, and harshness (NVH), also known as noise and vibration (N&V), is the study and modification of the noise and vibration characteristics of vehicles, particularly cars and trucks. While noise and vibration can be readily measured, harshness is a subjective quality, and is measured either via jury evaluations, or with analytical ...
Get the Ottawa, OH local weather forecast by the hour and the next 10 days.
As a result of increased sales of full electric vehicle and hybrid electric vehicles in several countries, some members of the blind community have raised concerns about the noise reduction when those vehicles operate in all-electric mode, as blind people or the visually impaired consider the noise of combustion engines a helpful aid while crossing streets and think quiet hybrids could pose an ...
Putnam County is a county located in the northwestern part of the U.S. state of Ohio.As of the 2020 United States census, the population was 34,451. [1] Its county seat is Ottawa. [2]
In 1995 ODOT began efforts to become more efficient as well as be more customer-friendly. At the time, ODOT employed 7,800 employees. By 2000 the total number of employees had been reduced to 6,031, a 22.6% decrease in 5 years, and further reduced to 5,000 by 2023. This move reduced the increase in payroll expenditures to 0.78% per year.
State Route 65 is an original state highway. Its original southern terminus was at State Route 15 in Ottawa, and it crossed the Maumee River near Liberty Center, continuing northward to Delta and terminating at the Michigan state line. In 1931, the route's northern terminus was moved to downtown Toledo along its current route.