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ESTIMATING FREE-FLOW SPEEDS FOR RURAL MULTILANE HIGHWAYS.
| 题名： | ESTIMATING FREE-FLOW SPEEDS FOR RURAL MULTILANE HIGHWAYS. |
| 作者： | Dixon-KK; Wu-C-H; Sarasua-W; Daniel-J |
| 关键词： | ESTIMATING-; FREE-FLOW-SPEEDS; HIGHWAY-CAPACITY-MANUAL; MULTILANE-HIGHWAYS; NATIONAL-HIGHWAY-SYSTEM-DESIGNATION-ACT-OF-1995; RURAL-HIGHWAYS; SPEED-DISTRIBUTION; SPEED-LIMITS |
| 摘要： | The National Highway System Designation Act of 1995 repealed the national maximum speed limit. As a result, many of the states have increased posted speed limits to 105 km/h (65 mph) for select multilane highways. This study evaluates the distribution of the speed and studies the influence of site characteristics, light conditions, and type of vehicle on the field-measured free-flow speed. The suitability of the "Highway Capacity Manual" multilane highway rules of thumb for free-flow speed to both an 89- and a 105-km/h (55- and 65-mph) posted speed limit condition is also discussed. |
| 总页数： | Transportation Research Record. 1999. (1678) pp73-82 (8 Fig., 3 Tab., 12 Ref.) |
| 报告类型： | 科技报告 |
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