回顾 2017 年，高速公路板块上涨主要来自业绩增长，铁路板块上涨主要来自业绩增长和改革预期。我们建议投资者 2018 年配置业绩确定性增长、相对低估值、改革潜在受益的标的，关注普客调价进程、收费公路管理条例修订进程。维持铁路行业“增持”评级，高速公路行业“中性”评级。

Transport is a critical driver of social and economic development, generating opportunities for the poor and facilitating economies to become more competitive. Transportation infrastructure connects individuals to jobs, health services, and education. Transportation infrastructure facilitates the supply of goods and services around the globe. For instance, rural roads help prevent neonatal and pregnancyrelated deaths by providing timely access to childbirth-related healthcare services and also help farmers to augment their revenue by connecting them to various markets.

Since the last decade, the introduction of new tourist destinations has fueled a revolution in the global tourism industry. With the increase in the number of the tourism service providers, there has been a significant growth in the demand for air travel and a simultaneous rise in the number of aircraft and helicopter. Some countries, such as Australia, France, Spain, South Africa, Hong Kong, Indonesia, the UK, and the US have been the major beneficiaries of global tourism over the years.

空技术极具特色的创造之一，它的出现极大地拓展了飞行器的应用范围。直升机根据下游用途不同可分为军用直升机与民用直升机，其中军用直升机无论是在反坦克、反潜等立体化作战中还是在增强陆军机动性和后勤保障能力上均起着重要作用，是各国军事发展的重要方向。当前世界军用直升机已经发展了四代，并正朝着第五代发展。

2017 年 10 月全国快递服务企业业务量完成37.5 亿件，同比增长 23.8%；占我国最大比例的异地件规模继续扩大，同比增速 24.0%。