With these excursions, we have now visited all of the reopened highways - including Golden Gate Canyon / Hwy. 46 and Boulder Canyon / Hwy. 119 - except for Coal Creek Canyon / Hwy. 72. Of course non-highways such as Lefthand Canyon, James Canyon, and Buckhorn Rd. (Stove Prairie) are still closed, so we'll have to see what happens with these.
Here is the helpful Boulder County Cycling Closure map. As you can see, even Coal Creek Canyon is closed and much of the Peak-to-Peak Highway:
The repair and reopening (ahead-of-schedule) of US-36 from Lyons to Estes Park was rightly heralded as an heroic effort by CDOT, the National Guard, and contractors. Bad as though the damage to US-36 was, it looked like Hwy. 7 actually has more and longer repaired segments, and US-34 even more than that. So, again an impressive effort and accomplishment.
Bikes are still prohibited in both canyons (as well as Boulder Canyon and on US-36), probably because there is a lot of road work and off-road work going on: e.g., rebuilding feeder roads to homes and other structures. I haven't found out the plans for allowing cyclists later on.
Update 12/9/2013: CDOT has reopened these highways to cyclists.
|Jersey barriers in St. Vrain Canyon|
|Another curve in St. Vrain Canyon|
|The original shoulder width - St. Vrain Canyon|
|Above the canyons had less damage - Trail Ridge Road in good shape|
In contrast to Hwy. 7, US-34 carries heavy traffic - comparable to US-36 - but has been much more safe / comfortable to ride than US-36 because of its ample shoulders. The new layout with narrower segments and jersey barriers changes that.
|Big Thompson exhibits a swath of descruction - Pat Heller photo|
|Big Thompson: the riverbed now a field of boulders and silt; houses perilously cling, or were swept away without a trace - Pat Heller photo|
- Drake Doubleback April 200k - Kersey Kick has been substituted. Even assuming cyclists are allowed on US-34 by April, it would probably not be a very comfortable riding prospect.
- Stove Prairie April 200k - Larimer County says the currently closed Buckhorn Road probably won't reopen until 2014. When in 2014 is not clear. So we may have to reroute.
- 400k's, 600k's, and June 1000k - These three weekends of events in May and June are the most problematic, because it may not be feasible to use the roads they depend on: Lefthand Canyon (probably will open and be ok to ride), James Canyon (may not be), St. Vrain Canyon, Devil's Gulch (still closed at this point), and Big Thompson Canyon. So new routes will likely be needed.
- Golden Gate Gadabout July 200k - May require a change, or we use the Vail Pass Volley instead!
- Peak-to-Peak 300k - Because of Big Thompson and Devil's Gulch, this route may need changing.
- James Canyon Jaunt October 200k - We'll just have to see, but there are plenty of alternatives.
A footnote about Flagstaff Road (not used on rando routes, but just FYI) - Flagstaff Road reopened a couple weeks ago to the general public. The only actual road damage (at least as far up as the amphitheatre) is near the base, just up from Gregory Canyon: most of the upbound lane has been washed away for 100 ft. or so, so it's one lane travel there, governed by a traffic light. Elsewhere, considerable shoulder work has been done to remove excess soil in some places and replace dirt that washed away in others.