Highway 09a Ic Datasheet
Honorato Overmyer
The Standard Specifications outline the general requirements and covenants applicable to all highway construction improvements as well as provisions relating to materials, equipment, and construction requirements for individual items of work on projects awarded by the department.
This Supplemental Specifications contain additions and revisions to the Standard Specifications. The Supplemental Specifications are considered part of and should always be used in conjunction with the Standard Specifications. This book is updated every year.
Hard copies of these books are not sold separately, but are included with the purchase of the Standard Specifications for Road and Bridge Construction. To order both books, please navigate to Manuals Sales.
The specifications outline minimum requirements for highway construction in British Columbia. Where modifications are necessary to suit local conditions they will be specified in special provisions for each contract.
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The B.C. Public Service acknowledges the territories of First Nations around B.C. and is grateful to carry out our work on these lands. We acknowledge the rights, interests, priorities, and concerns of all Indigenous Peoples - First Nations, Mtis, and Inuit - respecting and acknowledging their distinct cultures, histories, rights, laws, and governments.
The key highway=* is the main key used for identifying any kind of road, street or path. The value of the key helps indicate the importance of the highway within the road network as a whole. See the table below for an ordered list from most important (motorway) to least important (service).
Note that highway=* distinguishes roads by function and importance rather by their physical characteristic and legal classification. Usually these things are highly correlated, but OSM is not obligated to copy official road classifications.
Only highway=motorway and highway=motorway_link indicate quality. Other road types, from trunk to tertiary to residential, service, path, footway, cycleway or track, do not imply anything about road quality, only importance and intended main use.
In a region with poor infrastructure, a road of highest importance, forming the main road network there, should be highway=trunk, regardless of being a high-quality wide asphalt road or a low-quality narrow track worse than highway=service in other regions. Examples include the Kolyma Highway (P-504) and the Vilyuy Highway (A-331) in the Russian Far East, and a long stretch of the Trans-Amazonian Highway (BR-230) and BR-319 in the North Region of Brazil.
In the absence of surface=*, tracktype=* and other tags describing road quality, one may try to extrapolate this information from the value of the highway tag. This should be fine-tuned for each region.
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