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High Occupancy Vehicle Lanes, California, 2015

This line shapefile represents the existing, under construction, programmed, and proposed High-Occupancy Vehicle (HOV) lanes on the California state Highway system as of 2015. Also known as carpool or diamond lanes, HOV lanes are a traffic management strategy to promote and encourage ridesharing; thereby alleviating congestion and maximizing the people-carrying capacity of California highways. HOV lanes are usually located on the inside (left) lane and are identified by signs along the freeway and white diamond symbols painted on the pavement. In Northern California, HOV lanes are only operational on Monday thru Friday during posted peak congestion hours, for example: between 6 a.m. - 10 a.m. and 3 p.m. - 7 p.m. All other vehicles may use the lanes during off-peak hours. This is referred to as "part-time" operation. In Southern California, HOV lanes are generally separated from other lanes by a buffer zone. The HOV lanes are in effect 24-hours a day, 7-days a week, referred to as "full-time" operation.The locations of the HOV system are based on postmiles derived from an excel spreadsheet maintained by Caltrans, Division of Traffic Operations, Office of System Management Operations. This layer is part of a collection of GIS data created by the California Department of Transportation (Caltrans).This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data.

Express Lanes, California, 2015

This line shapefile represents express lanes, also known as High Occupancy Toll (HOT) lanes, in the California State Highway System for 2015. HOT lanes are High Occupancy Vehicle (HOV) lanes that may be accessed by single occupant vehicles by paying a toll. This layer also shows existing, and programmed-proposed express lanes located on the state highway system. The California HOV/Express Lane Business Plan is a framework for Caltrans and its partners to focus statewide activity during 2009-2011 that will lead the state to easily implement more flexible and effective system management strategies for HOV and HOT lanes. The ultimate vision is a transportation system offering new commute choices and more reliable travel through congested corridors; where congestion is managed and the availability of an express service option is greatly improved, and where governments at all levels work together to manage demand with effective monitoring and adjustment of operations and design. In this Business Plan, Caltrans, regional transportation agencies, FHWA and the CHP, have developed a coordinated framework to guide the current and future development and operation of HOV and Express Lane throughout the state, capitalizing on strong partnerships and operating strategies already in place.The locations of the HOV/Express lanes are based on postmiles derived from an excel spreadsheet maintained by Caltrans, Division of Traffic Operations, Office of System Management Operations. This layer is part of a collection of GIS data created by the California Department of Transportation (Caltrans).This dataset is intended for researchers, students, and policy makers for reference and mapping purposes, and may be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analysis with other spatial data.

Particle and continuum aspects of mesomechanics [electronic resource]

This title brings together a variety of papers presented at the 9th annual Meso meeting in 2007. The topics selected for Meso 2007 are designed to illustrate the relation of thresholds to multiscaling:* Flow through capillary tubes in contrast to pipes* Laminar and turbulent flow transition* Heat convection of thin wires in contrast to cylinders* Electrical conductance of macro- and nano-circuits* Rubbery and glassy polymers* Single- and poly-crystal behavior* Strength of wires and round cylindrical bars* Uni-axial and multi-axial material: linear and non-linear response* Thin and thick plate behavior* Brittle and ductile fracture* Small and large crack growth behavior* Low and high temperature effects* Local and global material property characteristics* Small and large bodies: size and time effects* Specimen and structure.

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Express Lanes, California, 2015

This line shapefile represents express lanes, also known as High Occupancy Toll (HOT) lanes, in the California State Highway System for 2015. HOT l...

High Occupancy Vehicle Lanes, California, 2015

This line shapefile represents the existing, under construction, programmed, and proposed High-Occupancy Vehicle (HOV) lanes on the California stat...