GB/T 42517.1-2023 PDF English
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GB/T 42517.1-2023: Intelligent transportation systems - Intelligent driving electronic road data model and expression specification - Part 1: Controlled access road
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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 01.100.01; 03.220.20 CCS R 04 Intelligent transportation systems - Intelligent driving electronic road data model & expression specification - Part 1: Controlled access road ISSUED ON: MAY 23, 2023 IMPLEMENTED ON: DECEMBER 01, 2023 Issued by: State Administration for Market Regulation; Standardization Administration of PRC.
Table of Contents
Foreword ... 3 Introduction ... 4 1 Scope ... 5 2 Normative references ... 5 3 Terms and definitions ... 5 4 Framework data model ... 6 4.1 Element model ... 6 4.2 Coordinate frame system ... 8 4.3 Accuracy ... 9 4.4 Range of expression ... 10 4.5 Expression of general attributes of roads ... 10 5 Roads and lanes ... 11 5.1 Road data model and expression ... 11 5.2 Lane data model and expression ... 16 5.3 Junction data model and expression ... 29 6 Road facilities ... 31 6.1 Road traffic signs ... 31 6.2 Roadside traffic facilities ... 35 6.3 Road traffic markings ... 40 6.4 Traffic lights ... 42 6.5 Speed bumps ... 45 6.6 Toll booths ... 47 6.7 Checkpoints ... 49 6.8 Upper obstacle ... 50 6.9 Roadside structures ... 51 6.10 Pole-like objects ... 53 6.11 Gantry ... 55 6.12 Tunnel ... 56 6.13 Roadside monitoring and communication equipment ... 58 References ... 60 Intelligent transportation systems - Intelligent driving electronic road data model & expression specification - Part 1: Controlled access road1 Scope
This document specifies the framework data model of controlled access roads in the electronic road data model for intelligent driving, the data model and expression of roads and lanes, road facilities. This document is applicable to the production and application of intelligent driving electronic road data models, which use controlled access roads as the main scene.2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, for dated references, only the version corresponding to the date applies to this document; for undated references, the latest version (including all amendments) applies to this document. GB/T 20267-2006 Criterion of digital map production for automotive navigation system GB/T 35645-2017 Framework data exchange format for navigation electronic map3 Terms and definitions
The following terms and definitions apply to this document. 3.1 Road reference line In the intelligent driving electronic road data model, the vector geometric line segment representing the road AND is drawn along the road according to the rules, which is composed of three-dimensional polylines in space. 3.2 Virtual road reference line It is a vector line segment, that connects two road reference lines, does not represent the actual road segment, but is only used to maintain the topological relationship between the road reference lines. 3.3 Pole-like objects The general term for upright rod-shaped objects, such as columns, used to support traffic signs, street lights, traffic lights, gantry and other traffic facilities, as well as billboard support columns. 3.4 Controlled access road An access road, which is specially designed for motor vehicles to drive in different directions and lanes, where the access is controlled. 3.5 Non-controlled access road A road for mixed driving of motor vehicles and non-motor vehicles.4 Framework data model
4.1 Element model 4.1.1 Overview The element model in the electronic road data model for intelligent driving shall comply with the provisions of 4.1.1 in GB/T 35645-2017. It is composed of four aspects: element, attribute, geometry, relationship, as shown in Figure 1. The main characteristics of elements and their relationships are as follows. a) Each element has spatial geometric information, has one or more attributes, can establish a relationship with one or more other elements. According to the abstract level and complexity of elements, elements can be divided into simple elements and complex elements. According to the functions and characteristics of the elements in the real road traffic network, they are divided into different element themes and element classes. b) Geometry is generally divided into points, lines, surfaces, volumes. It is generally expressed as three-dimensional point coordinates or coordinate sequences, in the Figure 26 -- Data model of roadside traffic facilities 6.2.2 Attributes of roadside traffic facilities 6.2.2.1 Categories of facilities Roadside traffic facilities shall include the following categories: a) Curbs; b) Ditch; c) Tunnel walls; d) Green belt; e) Concrete piers; f) protective net; g) Soundproof walls; h) Normal New Jersey guardrail; i) Single-tube New Jersey guardrail; j) Multi-tube New Jersey guardrail; k) Wave guardrail; l) Cable fence; m) Beam-column bridge guardrail; n) Mesh guardrail; o) Tubular movable guardrail; p) Others. 6.2.2.2 Materials The material categories of roadside traffic facilities is as follows: a) Concrete; b) Stone; c) Bricks; d) Metal; e) Soil and plastic; f) No material (ditch and green belt). 6.2.2.3 Textures The category of roadside traffic facility texture is as follows: a) Horizontal stripes; b) Longitudinal stripes; c) Blocks. 6.2.2.4 Color 6.2.2.4.1 Textured color values Roadside traffic facilities have texture color value categories as follows: a) Yellow and black; b) Red and white; c) Blue and white; d) Red and yellow. 6.2.2.4.2 Non-textured color value The categories of non-textured color values of roadside traffic facilities are as follows: a) Red; b) Yellow; c) White. 6.2.2.5 Height The height attribute information records the vertical distance -- from the roadside traffic facility itself to the ground; the tunnel wall shall record the height of the tunnel wall, which is perpendicular to the road boundary. 6.2.2.6 Length The length attribute records the overall length value of a line element. 6.2.3 Geometric expression of roadside traffic facilities ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
