Development of Road Ground Control Points and Information Service System

抄録:近年,道路管理の効率化,高度化の観点から,災害情報,通行規制情報,図面情報,その 他,道路に関わる多様な現地情報を,迅速かつ均質に発信,蓄積,管理を行うことが要請されてい る.そのための共通的な基盤として,直轄国道の 1km ごとの地点標であるキロポストに簡易な鋲を 設置するとともに,緯度・経度・標高を計測し,道路基準点として整備・利用するための手法につ いて検討し,整備方針にとりまとめた.設置する道路基準点には,現場で直接情報を取得すること が可能な IC タグを付加し,基本的な情報が付与される.さらに,整備した道路基準点データを効 率的に管理・提供するためのシステムを構築した. Abstract: Recently, rapid and universal transmitting, accumulation and management of various information relevant to road management, is required from the view of efficient and sophisticated management. It is important to manage the information based on location. The road ground control points, which have latitude, longitude and elevation, are developed as infrastructure. The road ground control points are installed at 1 km intervals, namely corresponding to kilo posts. The points are also equipped with IC tag to acquire the information directly in the fields. This paper describes the method of road ground control points development and utilization. In the development, the specification of the road ground control points determined. In order to guarantee the specification, some patterns, which are combination of survey method, accuracy, installation method, cost, and utilization, are discussed. Furthermore, an information system for the road ground control points is developed.. Through the application of the system, availability of the road ground control points is confirmed.