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<br /> <br /> <br />27th AVE NE / Pahl AVE NE AREA TRAFFIC STUDY <br />CITY OF ST ANTHONY VILLAGE <br />WSB PROJECT NO. 12064-000 PAGE 19 <br />Improvement Opportunities For each of the identified issues there are several low cost, low impact improvement opportunities that could be implemented depending on further analysis of the conditions and data. Discussed below are some of the possible improvement opportunities and the criteria for implementations. <br />Vehicle Safety Improvements Safety improvements include items that could provide potential benefits by reducing the number of crashes. These improvements would include: <br />1. Removing obstructions – When the analysis indicates that a sight line issue is present at an intersection; where possible the sight line triangle should be cleared of obstructions. Based on a typical 25mph/30 mph city street the sight triangle is a distance between 30’ and 50’ (depending on right of way width) measured along the right of way line at the intersection. This distance should be based on calculations from the AASHTO “A Policy on Geometric Design of Highways and Streets” Green Book. If clearing the obstruction is not possible, further consideration to other intersection control should be explored. <br /> <br />2. Advance warning signs – Advance warning signs could include “Stop Ahead”, “Intersection Ahead”, etc. These signs would be installed where intersection control is typically in place and/or crashes indicate that sight lines to the intersection may be an issue. <br /> <br />3. “Blinker” signs – Blinker signs are typically used where vehicles need additional warning or in extreme cases with limited sight distance and higher traffic volumes. They can be used on either warning signs (advanced signs) or regulatory signs (stop or yield signs). <br /> <br /> <br />4. Pavement markings – This could include either center line or edge line markings. They would typically be used where crashes indicate issues with vehicles staying in their own lane. <br />5. Lighting – Intersection lighting could be used to clearly locate an intersection at night. Typically, lighting could be installed where there are a significant number of crashes occurring at night.