What is the cost to construct the I-75 and Royal Palm Boulevard Interchange park and ride? January 16, 2020 By clasione A What is the cost to construct the I-75 and Royal Palm Boulevard Interchange park and ride? The project cost, based on FDOT Long Range Estimate (LRE) analysis is $12,178,871. The additional cost for wrong-way prevention will be another $150,000, resulting a total cost $12,328,871.