Hike and Bike System Master Plan Hike and Bike System Master Plan | Page 164

CITY OF ARLINGTON , TEXAS
Figure 7.63.3 . Unpaved multi-use trail .
• A minimum of 10 foot shoulder is required adjacent to waterways , ditches , and steep slopes . If a minimum 10-foot shoulder distance cannot be provided , a minimum 42 ” high railing should be installed .
• The minimum vertical clearance is 8 feet with greater clearance for maintenance and emergency vehicles .
• Unpaved areas to be well drained .
• Erosion control measures to be put in place prior to construction .
• Cautionary signs should be provided for steep slopes , blind curves , and other potential hazards .
• Grades steeper than 3 percent are not practical for shared or multi-purpose trails with crushed stone or other unpaved surfaces , due to handling and drainage erosion concerns .
• Location maps , directional , mileage , navigation , and regulatory signage (“ rules of the trail ”) shall be posted .
• Mature native vegetation to be maintained if possible .
• Secondary footpaths and hiking trails to be a minimum of 2 ’ -6” and a maximum 5 ’ -0” in width .
• Provide elevated and boardwalk structures when slopes or environmental conditions warrant .
• Provide rest and pull off areas on steep slopes .
• Provide interpretive signage .
• In addition to unpaved multi-use trails , provide footpaths or hiking trails designated to accommodate pedestrians on foot ; not intended for cyclist or wheeled users .
• Provide footpaths or low impact trails to access environmentally sensitive areas .
7-58 | Chapter 7 : Design Guidelines