No. of 20 ft (6 m) 563 pylons No. of 50 ft (15 m) 80 pylons No. of 100 ft (30 m) 12 Pylons Additional length 1.20 miles Required (1.93 km) 4.4.1.2. Los Angeles/Grapevine – North Visualization - The preliminary route is shown in yellow. Bend radii are shown in red. The green dashed line delineates the north/south Grapevine definition in this document. Route - Significant deviation from I-5 in order to increase bend radius and develop straight sections.