to 2380: Dedover

The unclued Across lights are US state capitals and the unclued Down ones are the states. The title refers to DELAWARE (DE) and its capital DOVER.
 
First prize D.P. Shenkin, London WC1
Runners-up Margaret Lusk, Fulwood, Lancs; Lynne Gilchrist, Willoughby, NSW, Australia