Express lanes are a good idea. Build them next to congested, limited-access highways. Avoid pitfalls. An express lane authority manages traffic to keep speeds at 50 m.p.h. At this speed, twice as many ...

The highway toll lanes that have been popping up in other parts of the Bay Area, notably Interstate Highway 880, debuted on the Peninsula on Feb. 11 after years of construction. Now, drivers are faced ...