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2019 STREET AND UTILITY IMPROVEMENT PROJECT FEASIBILITY REPORT CITY OF ST. ANTHONY VILLAGE WSB PROJECT NO. R-011648-000 PAGE 7 Highway 88 Turn Lane Improvements There is currently a free-right-turn from Highway 88 (50 mph speed limit) onto County Road C (29th Avenue NE) (45 mph speed limit). As traffic exits Highway 88 onto County Road C (29th Avenue NE) using the free-right-turn they quickly approach the intersection of Count Road C (29th Avenue NE) and Anthony Lane. Vehicles coming off the free- right-turn looking to turn left on Anthony Lane have approximately 260 feet to cross a lane of traffic, enter a left turn lane, and reduce their speed from 50 mph to a safe tuning speed, creating pedestrian and vehicle safety concerns. The City has directed staff to investigate two options for improvements to the free-right- turn from Highway 88 onto County Road C (29th Avenue NE) to review budget impacts to the City’s overall Capital Improvement Plan (CIP): • Option 1: Remove the existing free-right-turn and make signal improvements to the Highway 88 and County Road C (29th Avenue NE) signal system to allow vehicles to make a right turn at the signalized intersection. This option will require vehicles to slow down prior to entering County Road C (29th Avenue NE) increasing vehicle and pedestrian safety. For the improvements to be considered in Option 1, funding is anticipated to be 100% County participation. • Option 2: Leave the free-right-turn as it exists today and install the necessary pedestrian improvements to allow pedestrian to safely cross the free-right-turn, including pedestrian crosswalks and signage. Option 2 improvements will be considered if County funding is not available for Option 1. A map illustrating the proposed turn lane improvements can be found on Figure 5 of Appendix A. Bituminous Mill and Overlay Improvements Improvements along Silver Lane and Silver Lake Terrace include milling down the existing bituminous pavement 1 3/4-inches along the full width of the roadway. A new 1 3/4-inches wear course will then be paved over the entire street extending the pavement life of the roadway until the road can be reconstructing in the future. New concrete curb and gutter along Silver Lake Terrace will also be installed to improve drainage and protect the edge of the existing roadway until the road can be reconstructed in the future. Additional improvements include removing and replacing a block retaining wall located at the northwest end of the cul-de-sac on Silver Lake Terrace. The existing 8-foot retaining wall is beginning to lean away from the roadway causing separation in the adjacent driveway. The retaining wall is proposed to be removed and a new large block wall installed. 110