Mitch Landrieu, the White House face of the bipartisan infrastructure law, has resigned from his appointed post, to serve on President Joe Biden’s re-election campaign.

Nearly 50 transportation groups are asking the Biden administration to extend a waiver for certain requirements for products and materials associated with infrastructure construction projects.

WASHINGTON — Mayors must take the lead if they hope to improve their cities’ infrastructure with the help of federal partners, according to New Orleans Mayor Mitch Landrieu.