|
Elbert Dysart Botts
Elbert Dysart Botts (January 2, 1893 – April 10, 1962) was the California Department of Transportation (''Caltrans'') engineer credited with overseeing the research that led to the development of '' Botts' dots'' and possibly the epoxy used to attach them to the road. Botts was born in Missouri in 1893 and was a professor of chemistry at San Jose State College when he was recruited to Caltrans. He is credited with leading the division of the Caltrans research laboratory (Translab) that conducted the initial research into identifying the best shapes and materials for raised pavement markers. Much of the necessary field research was conducted by his team on a new freeway in West Sacramento in the spring of 1955. Although the initial goal was to improve lane visibility, it was at this point that the tactile feedback provided by the dots was discovered. At Caltrans, Botts dots were developed as a way to address the problem of paint disappearing when under water. Botts ne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lancaster, Missouri
Lancaster is a city in Schuyler County, Missouri, United States. As of the 2020 census, its population was 675. It is the county seat of Schuyler County. Lancaster is part of the Kirksville Micropolitan Statistical Area. History A post office called Lancaster has been in operation since 1846. According to one tradition, the community was named after Lancaster, Ohio, the former home of a first settler. The William P. Hall House was added to the National Register of Historic Places in 1975. Geography Lancaster is located at (40.524087, -92.529190). According to the United States Census Bureau, the city has a total area of , of which is land and is water. Demographics 2010 census At the 2010 census there were 728 people, 326 households, and 187 families living in the city. The population density was . There were 367 housing units at an average density of . The racial makup of the city was 98.2% White, 0.5% Asian, 0.1% from other races, and 1.1% from two or more races. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
