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1) Work zone reports

Pub. Date

[date of publication not identified]

3) CDOT guidelines for the use of positive protection in work zones

Pub. Date

2010.

Description

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Positive protection is defined by Federal Highway Administration (FHWA) as "devices that contain and/or redirect vehicles and meet the crash worthiness evaluation criteria contained in NCHRP Report 350." By this definition, positive protection devices should prevent intrusion into the work area. These guidelines address the use of positive protection devices in work zones.

4) HB10-1014 report: calendar year ... annual report of fatal crashes in state highway work areas

Pub. Date

2010-2018.

5) Access control assessment report: SH70B, MP 11.72-12.00, SH 6C, MP 37.16-39.00, Region 3 access control assessment

Pub. Date

2008.

6) Safety performance functions for freeway merge zones

Author

Lyon, Craig

Pub. Date

2013.

Description

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This report documents the results of a research project to support CDOT in the area of Safety Performance Function (SPF) development. The project involved collecting data and developing SPFs for ramp-freeway merge zones categorized as isolated, non-isolated and weave. For each of these three categories, data for the period 2007 to 2011 were collected at sites selected to ensure statewide geographical representation and coverage of the range of traffic...