Discover the top five things to do on a road trip from Castle Rock to Broomfield in Colorado. Explore Red Rocks Park, Denver Botanic Gardens, Rocky Mountain Arsenal National Wildlife Refuge, Butterfly Pavilion, and Royal Gorge Bridge and Park.

Plan your Castle Rock to Broomfield road trip with our guide to the cost of driving. We break down the prices for tolls, gas and time for each route.

Discover the fastest and slowest routes to drive from Castle Rock, Colorado to Broomfield, Colorado. Find out how traffic patterns affect driving times and when to avoid rush hour.