From publisher blurb:
Locations of adventure for any d20 Modern campaign.
d20 Critical Locations features 40 full-color maps of interesting modern locations, valuable to any d20 Modern campaign. Beautifully rendered by cartographer Christopher West and ready for use in any d20 Modern, each map comes with adventure hooks and pregenerated supporting characters. Some maps appeared previously in Polyhedron Magazine, but most are new for this product.