The last time Congress approved a major renewal of federal highway and other transportation programs, the votes were 359-65 in the House and 83-16 in the Senate. It was backed by nearly every Democrat and robust majorities of Republicans.

This year’s $1 trillion infrastructure bill easily cleared the Senate 69-13 with GOP support, but crawled through the House last week by 228-206 with just 13 Republican votes. Those defectors were savaged afterward by former President Donald Trump, hard-right Rep. Marjorie Taylor Greene, R-Ga., called them “traitors” while tweeting their names and office...