Construction’s unemployment rate continued its long stretch of year-over-year improvement in February, falling to 8.7% from the year-earlier 10.6%, but the rate was slightly worse than January’s 8.5%, according to the Bureau of Labor Statistics. BLS reports that construction gained 19,000 jobs in February. Nearly all industry segments added jobs last month, led by residential specialty-trade contractors, whose workforce expanded by 13,800. Buildings construction picked up 6,400 jobs, and the heavy-civil engineering sector added 700. Architectural and engineering services, listed separately from construction, gained 5,500 jobs in February. Construction economists point out that total construction employment has risen 4% in the past year, to more than 6.6 million.