NEXCO Presents at IBTTA Technology Summit 2025
7/30/2025
NEXCO-West USA, Inc. (NEXCO) participated in the International Bridge, Tunnel and Turnpike Association (IBTTA) Maintenance, Engineering & Roadway Operations Workshop held in Detroit, Michigan, USA from July 26th to 29th, 2025. IBTTA is a vibrant, international organization composed of toll road operators and industry stakeholders from around the world. Our president, Masato Matsumoto, participated as a panelist alongside Lowell Choate from Roy Jorgensen and Associates during the workshop. They gave a joint presentation on efficient road maintenance strategies using road surface condition surveys collected by vehicular scanning systems.
This PPP project incorporated the design, construction, installation, operation and management, and financing of a roadway entrusted to a private operator through a concession system.
It is necessary to monitor the health of the pavement through annual road surface condition inspections and develop appropriate repair plans, and Roy Jorgensen has retained NEXCO to conduct road surface condition inspections any analysis for four consecutive years starting in 2022.
The road surface condition inspection involves reporting the status of three types of pavement deficiencies: cracking, rutting, and International Roughness Index (IRI) values. Previously, findings for each matrix was reported individually in comparison with the maintenance performance target values, and Roy Jorgensen responded by repairing any areas that exceeded the target values. Because this maintenance strategy was reactive in nature, it may not necessarily represent the most cost-effective manner. . To introduce opportunities for more to proactive and strategic maintenance plan, NEXCO utilized the metrics combined to provide some idea of data-driven decision making from our toll road operation experiences in Japan.
To help understand the visual presentation of the road condition, we proposed to display all findings on a GIS view and determined best repair methods based on the geographical distribution of the findings . Ideally, multiple repair efforts could be bundled into a single lane closure event by accurately determining the nature and extent of findings within target roadway areas. We also proposed that even if certain findings do not exceed the target threshold values, they could be subject to a preventive maintenance if they can be carried out in conjunction with the lane closure opportunity. . This approach introduces efficiencies for preventive maintenance, and serves as a representative example of supporting strategic data-driven decision making.