GB/T 42517.1-2023 English PDF (GBT42517.1-2023)

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GB/T 42517.1-2023: Intelligent transportation systems -- Intelligent driving electronic road data model and amp; expression specification -- Part 1: Controlled access road
GB/T 42517.1-2023
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 and 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 and expression specification - Part
1: Controlled access road
1 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 map
3 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