Book Review| March 27 2023 Cocaine: From Coca Fields to the Streets Streets. Edited by Enrique Desmond Arias and Thomas Grisaffi. Durham, NC: Duke University Press, 2021. Photographs. Maps. Figures. Table. Notes. Bibliographies. Index. x, 366 pp. Paper, $28.95. Benjamin T. Smith of Warwick Search for other works this author on: This Site Google Hispanic American Historical Review 10592116. http...

We consider a variation of Voronoi diagram, or time-based Voronoi diagram, for a set S of points in the presence of transportation lines or highways in the plane. A shortest time-distance path from a query point to any given point in S is a path that takes the least travelling time. The travelling speeds and hence travelling times of the subpaths along the highways and in the plane are differen...

Existing colorful antique maps were mostly produced at the Edo period in Japan, and these antique maps which show situation of land use and streets in those days often give important information for studying history of city planning, civil engineering, architecture and so on. In particular, visualization of the past city model help to make understanding for situation at the time when the antiqu...

Negative binomial regression models were used to assess the effect of street and street network characteristics on total crashes, severe injury crashes, and fatal crashes. Data from over 230,000 crashes taking place over 11 years in 24 California cities was analyzed at the U.S. Census Block Group level of geography. In our analysis we controlled for variables such as vehicle volumes, income lev...