The 24k data was imported into a geodatabase. A topology was built to ensure that there are no gaps in the data and no overlapping of features. The boundaries were checked against the State Road Log and then edited to make sure the boundaries crossed the State Routes at the correct SRMP/ARM.
The Region Boundary between the Southwest and South Central Regions along US 12 was adjusted as per the agreement between the two regions.
The Region Boundary between the Northwest and Olympic Regions along SR 509 was adjusted as per the agreement between the two regions.
Updates were made to the WSDOT regional boundaries as needed.
Field names were updated to match other WSDOT data sets.
The data set contains the boundaries and names of the Washington State Department of Transportation regions.