The balanced distribution of traffic volume on the urban road network makes the best use of the network. Most important thing in making traffic volume well-distributed on the network is the efficient and timely publish of the traffic information on the network. How to effectively provide the better information service for the vehicles running in the network has become a bottleneck to restrict the road network transportation service level promotion. Based on the analysis for the application of the Internet and WAP technology in the urban road network transportation information issue, an applied case of Internet and WAP technology in the urban road network transportation information issue is presented, which pro-vides an effective and quick transportation information service for the road network.