Martin Austermuhle updates us on the District’s gradual replacement of its street name signs with new ones that are set in mixed case. There are, um, some bugs to be worked out. But the new design with rounded corners and a white border, as seen in the signs for Sherman Avenue, N.W. and Columbia Road, N.W., are rather good—indeed an improvement on the current signs. Even if they do use Freeway Gothic instead of Clearview.