Merge pull request #760 from camsys/fix-windows-2zone #439

Job	Run time
linux-64-py3.10	6m 3s
develop-docbuild	4h 22m 27s
estimation_mode_test	16m 18s
macOS	11m 53s
prototype_mtc	40m 54s
win-64	11m 56s
prototype_mtc	45m 47s
prototype_arc	49m 8s
prototype_psrc_in_development	18m 20s
placeholder_psrc	35m 13s
random_seed_generation_test	2m 31s
prototype_marin	1m 28s
prototype_mtc_extended	1h 54m 30s
placeholder_sandag	2h 16m 13s
prototype_sandag_xborder	4m 6s
production_semcog	5m 22s
prototype_mwcog	46m 20s
placeholder_multiple_zone	7m 47s
	13h 36m 16s

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