Abstract: Taking?Pearl?River?Delta?as?an?example,?the?region?traffic?characteristics?and?traffic?spatial?characteristics?of?urban?agglomeration?are?analyzed.?Based.?on?traffic?location?theory?and?economic?gravity?model,?the?framework?of?traffic?net?has?been?established.?The?functions?of?connection?road?of?urban?agglomeration?are?categorized,?including?channel?function,?arterial?function,?collector?function?and?local?service?function.?Furthermore,?the?classification?system?with?five?levels?is?developed,?that?is?expressway,?class?Ⅰ,?Ⅱ,?Ⅲ?of?connection?read?of?urban?agglomeration?and?local?road.

Key words: road engineering , connection road of urban agglomeration , traffic location , Pearl River Delta , framework of traffic net , function categories , classification system ;

摘要： 以珠江三角洲为例,分析了城市群区域交通特征、交通空间分布特征等;基于交通区位论和经济引力模型,确 定了珠江三角洲城市群连接道路交通网络框架;以功能为核心,将城市群连接道路功能划分为通道功能、干线功 能、集散功能和服务地方功能4个层次;进行了功能分级,划分为高速公路、城市群连接道路I级、城市群连接道路 II级、城市群连接道路??级、地方道路5个等级,建立了城市群连接道路功能分级体系。

关键词: 道路工程, 城市群连接道路, 交通区位, 珠江三角洲, 交通网络框架, 功能分类, 分级体系