There is a security gate at this location that closes Walker Lane to public access. The gate is visible in Google satellite view, although not in the Streetview, as the gate was added in the last few years, well after the Streetview was taken. Here's the satellite view with the gate visible: https://goo.gl/maps/hzbq9wCyMiXZQwQp9  The gate is visible from the Florissant Road Streetview: https://goo.gl/maps/S5Yqn9FPESjXUhdh8 