| 作者 | Dissanayake, S. Patel, H. S. | ||
|---|---|---|---|
| 原报告号 | PB2017100818 | 总页数 | 2 |
| 主办者 | Federal Highway Administration | ||
| 报告类别/文献类型 | PB / NTIS科技报告 | ||
| 关键词 | Gravel Unpaved roads Pavement management Kansas Guidelines Roads and highway Implementation Dirt Resources Assets Monitoring Inventories Costs Maintenance management Data collection Information systems Summary report only | ||
