tailieunhanh - Design Manual Metric 2009 Part 13

Tham khảo tài liệu 'design manual metric 2009 part 13', kỹ thuật - công nghệ, cơ khí - chế tạo máy phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | m m Potable wat Traff i c barn i er m Min i sI and RV dump station for details see CADD file RV dump station traftic lane for each additional RV Dump Station installed. m Typical Two RV Dump Station Layout Figure 1030-3 Design Manual November 1999 Safety Rest Areas and Traveler Services Page 1030-5 1040 Weigh Sites General Definitions Planning Development and Responsibilities Permanent Facilities Portable Facilities Shoulder Sites Federal Participation Procedures Documentation General Truck weighing facilities are needed to protect state highways from overweight vehicles to provide for vehicle safety inspection and to provide a source of data for planning and research. The development construction and maintenance of these facilities is a cooperative effort between the Washington State Department of Transportation WSDOT and the Washington State Patrol WSP . Definitions Commercial Vehicle Information Systems and Networks CVISN A network that links intelligent transportation systems ITS to share information on commercial vehicles. When in operation at a weigh site it can enable commercial vehicles to clear the facility without stopping. decision sight distance The sight distance required for a driver to detect an unexpected or difficult-to-perceive information source or hazard interpret the information recognize the hazard and select and complete an appropriate maneuver safely and efficiently. functional classification The grouping of streets and highways according to the character of the service they are intended to provide. See Chapter 440. frontage road An auxiliary road that is a local road or street located beside a highway for service to abutting property and adjacent areas and for control of access. lane A strip of roadway used for a single line of vehicles. median The portion of a divided highway separating the traveled ways for traffic in opposite .