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

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 ;