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SYRACUSE, INTERSTATE 81.
| 题名： | SYRACUSE, INTERSTATE 81. |
| 作者： | Simberg-RN |
| 关键词： | CONFERENCES-; RECONSTRUCTION-; CASE-STUDIES; CONSTRUCTION-ZONE-TRAFFIC-CONTROL; TRAFFIC-DELAY; INTERCHANGES-; BRIDGE-DECK; BRIDGE-MAINTENANCE; INFORMATION-DISSEMINATION; PUBLIC-RELATIONS; COST-EFFECTIVENESS; MASS-MEDIA; HIGH-OCCUPANCY-VEHICLES; RESERVED-LANES; CAR-POOLS |
| 摘要： | The upstate New York city of Syracuse, with a population of approximately 150,000, is the business hub of surrounding Onondaga County (population 500,000). Interstate 81 is a major through Interstate that runs north-south through the city, just to the east of the central business district. By the 1970s, I-81, planned 30 years before, had reached its capacity as a four-lane Interstate carrying annual average daily traffic of approximately 70,000. In the late 1970s, reconstruction work started on some 10 miles to add two more traffic lanes and replace and modernize three major urban interchanges. By 1984 construction under way in the corridor had cost well over $100 Million. Traffic was maintained on two lanes in each direction most of the time and always on at least one lane in each direction. Nevertheless, significant delays occurred throughout the construction season. To complicate the situation further, some 2.8 miles of the narrow three-lane viaduct and adjacent structures carrying south bound traffic through the I-81 interchange with I-690, including on- and off-ramps for the downtown business area, were slated for major bridge deck rehabilitation and some substructure repair. The length and narrowness of the structures required complete closure to traffic for most of the work. This paper presents the case study of Syracuse, Interstate 81, concluding that the most cost effective strategies, retrospectively, are: open and frank discussion with the media before closure, aided by paid commercial media advertisements; traffic signal improvements on local streets; additional transit service in conjunction with outlying park-and-ride lots; some of the police deployment; use of the HOV lane; and expanded carpooling service. |
| 总页数： | Transportation Research Board Special Report. 1987. (212) pp85-87 (1 Tab.) |
| 报告类型： | 科技报告 |
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