根据Dodge Data＆Analytics的数据，从上个月，新建筑开始于3月开始增长11％，达到季节性调整的年度税率7852亿美元。

The substantial gain followed modest declines in January (down 2%) and February (down 3%), and brings the pace of total construction starts to the highest level over the past six months.

The nonbuilding construction sector, comprised of public works and electric utilities and gas plants, soared 73% in March, boosted by the start of several very large projects. These included the $3.5-billion Mountain Valley Pipeline expansion in West Virginia and Virginia; the $1.1-billion I-405 highway project in Orange County, Calif.; the $855-million Grand Parkway highway project in Houston; and a $400-million wind farm in Kansas.

At the same time, both nonresidential building and residential building eased back slightly in March, with respective declines of 1% and 2%.

在2018年的前三个月中，未经调整的总施工总数为1673亿美元，比去年下降了7％，其中包括机场码头和天然气管道的大量资金。在12个月的总体基础上，截至2018年3月的12个月的总施工总数比截至2017年3月的12个月增长了1％。

3月的数据为道奇指数（2000 = 100）的读数为166，高于2月的150。在2018年第一季度，道奇指数平均为157，比去年第四季度的154平均值增长了2％，而2017年全年的平均水平略低于161。

Dodge Data＆Analytics首席经济学家Robert A. Murray说：“建筑开始统计数据可以显示每月的挥杆范围广泛，由于包括几个非常大的项目，三月肯定会成为更强大的月份之一。”18luck官网

“Looking at the data on a quarterly basis can reduce the volatility present in the monthly statistics, and this year’s first quarter shows a continuation of the up-and-down pattern that’s been present over the past year: first quarter 2017 up 10%, second quarter 2017 down 6%, third quarter 2017 up 8%, fourth quarter 2017 down 9%, and now first quarter 2018 up 2%,” Murray said.

“这种上下的模式通常发生在构造处于成熟阶段的膨胀阶段，其特征在于生长速度较慢。减速的扩张并不一定意味着下降将紧随其后，并且在2018年中有几个因素将有助于建设以保持接近最近的水平。

“ 3月，国会达成了2018财年的联邦拨款协议，该拨款为几个公共工程计划提供了额外的资金，尤其是与运输相关的计划。，“ 他说。

“The overall economy continues to proceed at a healthy clip, which supports healthy market fundamentals for commercial building. And, while interest rates are rising, the increases so far have been moderate, as shown by the 10-year treasury bill stabilizing at 2.8% to 2.9% during March and the first half of April,” Murray said.

非建筑结构

Nonbuilding construction in March was $205.7 billion (annual rate), up 73% from the previous month. The substantial percentage gain was the result of very strong March (the third highest monthly amount over the past year) being compared to a weak February (the lowest monthly amount over the past year).

公共工程类别的三月份攀升了62％，以198％的股份增加了杂项公共工程类别，其中包括管道项目。18luck官网这座耗资35亿美元的山谷管道扩展是一种天然气管道系统，从西弗吉尼亚州西北部到弗吉尼亚州南部跨越了近300英里，在3月提供了大部分电梯。

高速公路和桥梁的建设在3月攀升了29％，这是由加利福尼亚州奥兰治县的11亿美元I-405高速公路项目开始的开始。18luck官网休斯敦的8.55亿美元大公园高速公路项目；以及纽约州布鲁克林市的3.18亿美元的Kosciuszko桥梁替换项目（第2阶段）。

河流和港口开发类别在3月上升了77％，在华盛顿特区的58亿美元雨水下水道和公用事业隧道项目的起点以及波士顿的一个12200万美元的港口项目。

3月份的下水道建设从2月开始不变，而供水结构下降了4％。

The electric utility and gas plant category increased 507% in March, which was due to the comparison with an extremely low amount in February, as the March rate of construction starts was still 47% below its average monthly pace during 2017.

Large electric utility and gas plant projects in March were a $400-million wind farm in Kansas, a $125-million liquefied natural gas plant in Texas, and two solar power facilities in Hawaii, valued respectively at $125 million and $115 million.

Nonresidential Building

Nonresidential building in March was $243.3 billion (annual rate), down 1% from the previous month. The commercial categories as a group retreated 13% following a 17% increase in February, with declines reported for four of the five structure types.

Hotel construction dropped 40% after being boosted in February by the start of three large projects, including the $250-million Loew’s Kansas City Convention Hotel in Kansas City. In contrast, the largest hotel project entered as a March start was the $78-million Jimmy Buffett Margaritaville Hotel in Nashville.

Office construction in March dropped 16% after being lifted in February by the start of such projects as a $600-million Google data center in Clarksville, Tenn.; and the $220-million Cerner Corporation Campus in Kansas City.

不过,3月有多户型切断al noteworthy office projects, led by a $600-million Google data center in Pryor, Okla.; the $245-million U.S. Citizenship and Immigration Services building in Suitland-Silver Hill, Md.; the $233-million office portion of the $300-million One Willoughby Square mixed-used development in Brooklyn, N.Y.; and the $137-million BMO Bank office tower in Milwaukee.

3月的商店建设撤退了20％，而商业车库的建设则下滑了7％。

Warehouse construction was the one commercial structure type to report a March gain, rising 37% with the help of a $130-million Amazon fulfillment center in Rialto, Calif.

The institutional categories as a group fell 11% in March. Health care facilities retreated 32% following a 50% hike in February, although March did include the start of three hospital projects valued each at $100 million or more: the $344-million Indiana University Health Hospital and academic building in Bloomington, Ind.; the $283-million Harrison Silverdale Hospital in Silverdale, Wash.; and the $142-million Mercy Oklahoma Heart Hospital in Oklahoma City.

据报道，公共建筑（法院和拘留所）的活动减少了，下降了12％；与娱乐有关的建筑物，下降了29％；和宗教建筑，下降了41％。

On the plus side, the educational facilities category increased 8% in March, led by two medical research facilities—the $200-million Children’s Mercy research tower in Kansas City and the $109-million Health Sciences Education Center in Minneapolis.
三月还看到了几个大型高中项目的开始，其中包括一所耗资9000万美元的印度土地高中。18luck官网以及华盛顿州柯克兰（Kirkland）的8200万美元高中扩张。

Transportation terminal construction grew 40% from a weak February, helped by the start of a $154-million station improvement project on the Long Island Railroad in New York.

为商业和抵消的整体下降institutional building in March was a 280% jump by the manufacturing building category, which benefitted from the start of a $1.0-billion natural-gas-processing facility in Pierce, Colo.; a $750-million chemical processing plant in Rosemount, Minn.; a $500-million cryogenic natural-gas-processing plant in Slovan, Pa.; and a $200-million cryogenic natural gas processing plant in Arkoma, Okla.

Residential Building

Residential building in March was $336.2 billion (annual rate), down 2% from the previous month. Multifamily housing slipped 7% following a 6% gain in February and a 36% hike in January.

The number of large multifamily projects entered as construction starts stayed high, with March seeing 13 multifamily projects valued each at $100 million or more reach groundbreaking, slightly more than the 11 such projects entered as February starts, which included the $700 million City View Tower in Queens, N.Y.

The largest multifamily projects entered as construction starts in March were the $398-million multifamily portion of the $450-million Seattle Times mixed-use development in Seattle; the $220-million multifamily portion of the $250-million Broadway Block mixed-use development in San Diego; and the $217-million multifamily portion of a $258-million mixed-use development in Weehawken, N.J. In March, the top five metropolitan areas ranked by the dollar amount of multifamily starts were New York, Seattle, Boston, Los Angeles and Miami. Metropolitan areas ranked six through 10 were Washington, D.C.; Austin, Texas; San Diego; Denver and Dallas-Fort Worth.

Single-family housing in March was unchanged from February, extending the steady pace that was present during the previous four months.

The 7% decline for total construction starts on an unadjusted basis during this year’s January-March period compared to the last year reflected decreased activity for two of the three main sectors.

Nonresidential building fell 17% year-to-date, with commercial building down 16%, and institutional building down 24%, while manufacturing building grew 39%.

Nonbuilding construction fell 15% year-to-date, with public works down 10% and electric utilities/gas plants down 48%.

住宅建筑始终增长7％，单户住房增长了4％，多户住房增长了12％。

By geography, total construction starts for the first three months of 2018 versus last year showed this performance: The South Atlantic, down 1%; the South Central, down 5%; the West, down 9%; the Midwest, down 10%; and the Northeast, down 14%.

有用的观点来自查看12个月的移动总计；在这种情况下，截至2018年3月的12个月与截至2017年3月的12个月相比。在此基础上，总施工总数上涨了1％。

By major sector, residential building advanced 3%, with single-family housing up 7% while multifamily housing retreated 6%. Nonresidential building slipped 1%, with institutional building down 1% and commercial building down 6%, while manufacturing building climbed 32%. Nonbuilding construction was also down 1%, with public works up 2% and electric utilities and gas plants down 16%.