Open Space Advisory Board Agenda and Packet 2018 06 13

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Town of Superior 2015 Requests Lead Status 1 US 36 -Davidson Mesa Trail Connection. A safe trail connection from the proposed US 36 Underpass at Davidson Mesa, with a crossing at Marshall Road to link to the larger regional trail system. The Crossing must focus on safety considering the high speed of vehicle traffic traveling on Marshall Road. With the completion of the proposed underpass, a safe, direct trail connection between Mayhoffer Singletree Trail and Davidson Mesa trail system could be created. This connection would enhance access to the Coal Creek/Rock Creek Regional Trail system and the Hwy. 36 Bikeway. POS BCPOS has participated in discussions with Louisville and the Town of Superior about a possible connection to the Mayhoffer-Singletree trail and is committed to finding a solution that will work for all agencies involved. 2 Meadowlark-Coalton Trail connection. Trail connection added to Meadowlark Trail at its western -most point to link with Coalton Trail to the south. This trail would add a second, and significantly more direct, connection between Meadowlark Trail and Coalton Trail without requiring users to travel a circuitous route to reach Coalton Trailhead. Sup This western alignment option was evaluated and rejected in the "Marshall-Superior-Coalton Trail Corridor Management Plan." The explanatory notes from the plan, page 21, are excerpted below: Western Alignment (2 options) • Difficult or impossible to meet federal, county and city design guidelines (existing grades exceed 15 %.) • Potential negative impacts to wildlife, fragments habitat, trail users visible on top of hill • Provides circuitous route as connection to Coalton Trail; is nearly a mile from McCaslin 3 Shan Shan Chu to Meadowlark Trail. Trail connection from Shan -Shan Chu property south to existing Meadowlark Trail. This trail would link from the southwestern corner of the Shan -Shan Chu property to the Meadowlark Trail west of McCaslin Boulevard and south of Depot Street in Original Superior. Sup Trail connections in this area were addressed by the "Marshall-Superior-Coalton Trail Corridor Management Plan," approved by the Boulder County Board of Commissioners September 18, 2007. Additions and changes would therefore need to be evaluated through an amendment process for this plan. 4 Coalton Trail Standards. Improve surface and safety of Coalton Trail to a standard consistent with Meadowlark Trail. This project would include changing the former roadbed to a more typical trail profile by regrading and revegetating this long, straight trail segment. This would enhance the user experience by changing the character of the segment to be similar to surrounding trails. POS Trails in the area south of Coalton Road will be considered as part of the South County Grasslands Management Plan, scheduled to kick off in the next 2-4 years. 47