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Feasibility of Protecting Corridors through the National Environmental Policy Act.
| 题名： | Feasibility of Protecting Corridors through the National Environmental Policy Act. |
| 作者： | Kamprath-M.T.; Miller-J.S. |
| 关键词： | *Arterial-corridors.;Highway-safety; Highway-planning; Mobility-; Virginia-; Safety-; Feasibility-studies. |
| 摘要： | The addition of interchanges, traffic signals, or unsignalized driveways to an arterial corridor can increase crash risk and reduce travel speeds for vehicles using the roadway. As vacant land adjacent to a corridor is developed, however, private landowners often show a strong interest in having a direct access point to the arterial route. Because the Virginia Department of Transportation (VDOT) has the authority to allow such direct accesses provided there is no immediate adverse impact, arterials in high-growth areas tend to show an increasing number of traffic signals as demands for direct access arise. In terms of long-range planning, it is practically difficult for the Commonwealth Transportation Board (CTB) to mandate that an arterial have a restricted number of access points since a subsequent CTB retains the ability to relieve such a mandate. This study investigated the feasibility of using the National Environmental Policy Act (NEPA) to make adding direct access points to a corridor more difficult. The study found that under some circumstances, NEPA can help protect the mobility and safety of a corridor through making it more difficult, but not impossible, to add access points. Specifically, NEPA can be used to help protect a corridor through four administrative mechanisms: (1) including the limited access requirement as a condition in the record of decision; (2) effecting a contract between VDOT and the Federal Highway Administration, known as the Federal-Aid Project Agreement, that stipulates limiting access as a requirement; (3) implementing a supplemental agreement between VDOT and interested parties that indicates how the character of the corridor shall be maintained; and (4) documenting the corridor-preservation conditions that remove the requirement that a project have an Environmental Impact Statement. |
| 报告类型： | 科技报告 |
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