Series 2726: Corridor System Status Reports. 1974-1979.
Highway Dept. (RG 55)
As of 07/08/2016
Series 2726: Corridor System Status Reports. 1974-1979.
Highway Dept. (RG 55)
Reports of remaining mileage and estimated costs to complete highway corridors required to be converted to four lanes by the year 2000. Up to date maps of the corridor construction progress are included in each report.
| 1974-1976 | 31245 |
| 1978-1979 | 31245 |