Oct. 20 Update:
Several closures and detours are scheduled as crews continue work on the Rock Creek Parkway project.
On Thursday, Oct. 22, Honey Creek Drive will be closed from 7 a.m. to 7 p.m. for paving. Autrey Park will remain open with trail access only. Pedestrians and cyclists will not be able to cross Honey Creek Drive during the closure.
On Tuesday, Oct. 27, the Coalton Road and Rock Creek Parkway intersection is expected to fully close for two to three hours sometime between 9 a.m. and 2 p.m. Drivers will be detoured along Coalton Road, South Indiana Street and Rock Creek Parkway.
Midday closure windows are scheduled when possible to reduce impacts to school and rush-hour traffic. All work is weather-dependent. Crews are working toward substantial completion of the Rock Creek Parkway reconstruction project by Friday, Nov. 6.
Oct. 16 Update:
Construction continues on the southbound lanes of Rock Creek Parkway between Enterprise Street and Coalton Road and is expected to last until Nov. 6. Two-way traffic is maintained on the north half of Rock Creek Parkway through the construction area. Please note that the southbound RTD 228A stops at Rock Creek Village/Bell Flatirons and Honey Creek Drive are closed during this closure.
This week (Oct 11 to Oct 17)
Concrete work, including sidewalk repairs and curb and gutter repairs progressed. The road subgrade was chemically treated from Coal Ridge to Coalton Road. The contractor installed the raised crosswalk, new sidewalk curb ramp, and new concrete pork chop island on the NE corner of the Rock Creek Parkway/ Coalton Road intersection. Honey Creek Drive road removals started at the base of the road near the yard waste facility.
Next week (Oct. 18 to 24)
Concrete work will continue. Honey Creek Drive will be closed to the public next Thursday, Oct. 22, from 7 a.m.-7 p.m. for paving, Autrey Park will remain open by trail access only. Please note, crossing of Honey Creek Drive will be prohibited on this day as the road surface is placed. The other days of the week, Honey Creek Drive will be open, the contractor will have a road around their work to maintain full access to the Autrey Park parking lot. The parking lot entrance near the yard waste facility will be closed, access will be maintained at the first entrance/exit. Rock Creek Parkway will be graded and the bottom lift of asphalt will be placed on Friday, Oct. 23. The Coalton Road/ Rock Creek Parkway Intersection will be milled on Friday, Oct. 23. There will be partial closures during this work, please expect delays.
Oct. 3 Update:
Construction has moved to the southbound lanes of Rock Creek Parkway between Enterprise Street and Coalton Road and is expected to last until Nov. 6. Two way traffic is maintained on the north half of Rock Creek Parkway through the construction area. Please note that the southbound RTD 228A stops at Rock Creek Village/Bell Flatirons and Honey Creek Drive are closed during this closure.
This week (Sept 28. to Oct. 3)
Concrete work, including sidewalk repairs and curb and gutter repairs is in progress. Roadway milling was performed. The Rock Creek culvert was excavated and a new waterproof membrane installed. Honey Creek Lane was milled in preparation for a 2” asphalt overlay.
Next week (Oct. 5 to Oct. 10)
Concrete work will continue. Rock Creek Parkway from the Coal Ridge to Coalton Road will be chemically treated. Honey Creek Drive will be closed to the public from Thursday, Oct. 8, at 7 a.m. until Friday, Sept. 9, at 7 p.m. for asphalt removal. Autrey Park will remain open with trail access only on those days. Honey Creek Drive will be open to the public again for the weekend.
Sept. 24 Update:
Beginning Monday, Sept. 28, crews will close the southbound side of Rock Creek Parkway for construction. Traffic will remain open in both directions, with vehicles sharing the northbound side of the roadway and one lane available in each direction.
Several turning movements will also be restricted during construction. Drivers traveling east on Coalton Road will not be able to turn left onto Rock Creek Parkway, and drivers traveling north on Rock Creek Circle will not be able to turn left onto Coalton Road or continue straight onto Rock Creek Parkway. These drives will be detoured east on Coalton Road and will do a U-Turn at Tyler Drive to go westbound on Coalton Road where they can make a right onto Rock Creek Parkway.
Drivers should follow all posted traffic signs and detours and expect delays while traveling through the construction area.
Sept. 7 Update:
The current Rock Creek Parkway road closure will be extended from the Safeway entrance to Coalton Road through Friday, Sept. 25. Town staff will monitor the Coalton Road and Rock Creek Parkway intersection traffic signal operations during the closure to keep traffic moving through the intersection, but drivers may experience delays.
Sept. 3 Update:
The current Rock Creek Parkway road closure will be extended from the Safeway entrance to Coalton Road this afternoon (9/3). Two way traffic will continue to be maintained on the opposite side of the road. Town staff will monitor the Coalton Road/ Rock Creek Parkway intersection traffic signal operations during the closure to maximize the movements through the intersection but drivers may experience delays. Please note, vehicles will not be able to make a left into or out of the Safeway entrance on Rock Creek Parkway. Right turns in and out will still be allowed. There will be no change to current RTD bus stop closures. This closure is expected to be in place until Friday, 9/25.
Aug. 29 Update:
Construction has moved to the northbound lanes of Rock Creek Parkway between Enterprise Street and Coalton Road and is expected to last until Sept 11. Two way traffic is maintained on the south half of Rock Creek Parkway through the construction area. Please note that the northbound RTD 228A stops at Rock Creek Village/Bell Flatirons and Honey Creek Drive will be closed during this closure.
This week (Aug. 23 to Aug 29)
Concrete work, including sidewalk repairs and curb and gutter repairs is in progress. Asphalt milling was completed and the box culvert of Rock Creek has been exposed such that the waterproof membrane can be applied. All remaining striping from Indiana to S. 88th Street was completed.
Next week (Aug. 30 to Sept. 5)
Concrete work will be completed. New waterproofing will be installed over the Rock Creek underpass. Subgrade fly ash treatment will be completed. Paving of the roadway surface will start the following week.
Aug. 22 Update:
Here’s the progress we've made on the Rock Creek Parkway project as of Saturday, Aug 22.
Rock Creek Parkway from S. Indiana Street through the S. 88th Street roundabout is substantially complete and Rock Creek Parkway and S. 88th Street are open to the public. Construction has moved to the northbound lanes of Rock Creek Parkway between Enterprise Street and Coalton Road and is expected to last until Sept. 11. Two-way traffic is maintained on the south half of Rock Creek Parkway through the construction area. Please note that the northbound RTD 228A stops at Rock Creek Village/Bell Flatirons and Honey Creek Drive will be closed during this closure.
This week (Aug. 16 to Aug. 22)
Concrete work, including sidewalk repairs and curb and gutter repairs is in progress. The asphalt over the Rock Creek underpass was removed in preparation for installing new waterproofing for the underpass. All remaining striping from Indiana to South 88th Street was completed on Saturday Aug 22.
Next week (Aug. 23 to Aug. 29)
Concrete work will be completed. New waterproofing will be installed over the Rock Creek underpass. Full depth milling of the asphalt will start on Thursday, Aug. 27, and is expected to take three days.
Aug. 14 Update:
Rock Creek Parkway will be closed from South Indiana Street through South 88th Street on Saturday, Aug. 15, from 7 a.m. to 7 p.m. while crews complete striping at the South 88th Street roundabout and Rock Creek Parkway. This is expected to be a one-day closure.
Beginning next week, crews will begin the next phase of construction on Rock Creek Parkway between the Safeway parking lot entrance and Enterprise Street. Crews will remove asphalt and concrete on the east side, and move two-way traffic to the west side of Rock Creek Parkway.
The Rock Creek Parkway entrance to Bell Flatirons will be closed during this work. Residents and visitors should use the south entrance and exit on Coalton Road.
Drivers should follow all posted traffic control signs and expect delays while traveling through the area. Pedestrians and cyclists should also follow posted closures and detours through the construction zone.
Aug. 11 Update:
Rock Creek Parkway and South 88th Street are opening this evening, Aug. 11, and will be open for back-to-school traffic tomorrow, Aug. 12.
Lane markings for the South 88th Street intersection have not been completed yet. Please proceed through this section with caution! As you navigate these intersections, please follow all posted signage and yield to bikes and pedestrians.
Striping for the South 88th Street roundabout will be installed on Saturday, Aug. 15. During this striping process, the roundabout will be closed from 7 a.m. to 7 p.m., and there will be no access to South 88th Street from Rock Creek Parkway. This will be a one-day closure.
Please drive carefully through the new one-lane roundabout at Coal Creek Drive and the updated South 88th Street roundabout. See the following images for the changes at each roundabout.


Aug. 8 Update:
Here’s the progress we've made on the Rock Creek Parkway project as of Saturday, Aug. 8.
- This week (Aug. 1 to Aug 8)
Concrete work continues along the corridor including sidewalk repairs, curb and gutter repairs, and on new roundabout islands. Final paving was completed from Indiana to South 88th Street roundabout. Striping and landscaping started from Indiana to Coal Creek Drive.
- Next week (Aug. 10 to 15)
Final concrete work will complete at the Coal Creek Drive and South 88th Street roundabouts. Rock Creek Parkway and South 88th Street will be open on Wednesday, Aug. 12, for the start of school. Any remaining striping not completed before that date will be finished on Saturday, Aug. 15.
The road is still set to open on Wednesday, Aug. 12, for the start of school.
We appreciate your understanding as we work through this phase of the Rock Creek Parkway reconstruction.
Have questions or concerns? Contact us! Call us at 720-738-7693 or email pwu@info.superiorcolorado.gov.
Aug. 4 Update:
Crews will be closing the intersection at Rock Creek Parkway and South Indiana Street on Wednesday, Aug. 5, at 6 a.m. to complete top-lift paving. This intersection will reopen the next day, Aug. 6, by 10 a.m. Please follow posted detour signage around the affected intersection.
July 31 Update:
Here’s the progress we've made on the Rock Creek Parkway project as of Friday, July 31.
- This week (July 25 to July. 31)
Concrete work continues along the corridor, including sidewalk repairs, curb and gutter repairs, and new roundabout islands.
- Next week (Aug. 1 to 7)
Concrete work will continue. The roundabouts will be graded in preparation for paving, and the asphalt foundational base is planned to be installed at the end of the week.
The full closure will continue through Aug. 11 and crews are working to reopen this section sooner.
We appreciate your understanding as we work through this phase of the Rock Creek Parkway reconstruction, and we’re still anticipating having roads open before school starts.
Have questions or concerns? Contact us! Call us at 720-738-7693 or email pwu@info.superiorcolorado.gov.
July 26 Update:
Work on the new roundabouts at South 88th Street and Coal Creek Drive is moving ahead, with paving, concrete and grading progress across the corridor. Crews are working extended evening and weekend hours to reopen as early as possible.
Below is a look at where the work stands, what’s planned in the week(s) ahead and a few reminders for getting around the area. Thank you to residents and neighbors for the feedback that continues to shape how detours are managed.
Getting around the area
• Saddlebrooke is a private community and is not a through route. Access is managed for Reliance Circle and Saddlebrooke residents only and may change based on conditions. Please do not cut through Saddlebrooke, and please respect the new “Local Traffic Only” signs around 88th Street.
• Rock Creek Parkway through traffic should use South Indiana Street and Coalton Road. Detour signs are in place and may be updated as conditions change, so please follow posted signs.
• South 88th Street traffic should use Coalton Road, McCaslin Boulevard and South Indiana Street. Detour signs are in place and may be updated as conditions change, so please follow posted signs.
• Crews are working extended evening and weekend hours to finish as quickly as possible. Thank you for your patience with the added activity near the work zone.
• The closure runs through Aug. 11, and crews are working to finish sooner.
Progress the week of July 20
• Roadway paving advanced between South 88th Street and Coal Creek Drive, and from the South Indiana Street intersection to Coal Creek Drive
• Subgrade treatment, roadway grading and concrete removal advanced at the South 88th Street intersection
• Underground utility, subgrade treatment, roadway grading and concrete work advanced at the new Coal Creek Drive roundabout
• Utility and concrete work advanced at the South Indiana Street intersection
What to expect the week of July 27
• South 88th Street roundabout: Concrete curb, gutter and sidewalk repairs continue throughout the week. Roadway will be graded to prepare for asphalt.
• Coal Creek Drive roundabout: New concrete curb, gutter and sidewalk will be placed, along with concrete splitter islands. Roadway will be graded to prepare for asphalt.
• South Indiana Street: Concrete sidewalk work continues.
Questions? Contact the Public Works and Utilities team at 720-738-7693 or pwu@info.superiorcolorado.gov. The Town Projects website will be updated regularly through the closure.
July 17, 2026 Update:
Thank you for your patience and feedback this week as crews work through the final and most complex phase of the Rock Creek Parkway project. Your input this week is already shaping improvements to detours and traffic management.
Please see below for progress made this week, what to expect next week and for a few weekend reminders as we continue working together to build a safer, smoother corridor for everyone who drives, walks, and bikes it, ahead of the 2026-2027 school year.
This weekend, please keep in mind:
• Saddlebrooke is a private community and is not a through route. Access is managed for Reliance Circle and Saddlebrooke residents only and may change based on conditions. Please do not cut through Saddlebrooke, and please respect the new “Local Traffic Only” signs going up around 88th Street.
• Rock Creek Parkway through traffic should use South Indiana Street and Coalton Road. Additional detour signs went up this week and may be updated as conditions change, so please follow posted signs.
• 88th St. traffic should use Coalton Road, McCaslin, Rock Creek Parkway, and South Indiana Street. Additional detour signs went up on Friday, 7/17 and may be updated as conditions change, please follow posted signs.
• Crews are working extended weekend and evening hours to finish as quickly as possible. Thank you for your patience with the added activity near the work zone.
• The closure runs through Aug. 11. August 12 is a firm reopening date, and crews are working to finish sooner.
Progress this week
• Full closure of Rock Creek Parkway and South 88th Street took effect July 15, opening the combined work zone
• Detour signage and message boards were expanded across the corridor based on early traffic patterns
• Underground utility and asphalt removal work was advanced at the 88th Street intersection
• Underground utility and drainage work and concrete work was advanced on the new roundabout at Coal Creek Drive intersection
• Utility and roadway work was advanced on the South Indiana Street intersection.
What to expect next week
• S. 88th Street roundabout – Concrete curb and gutter and sidewalk repairs will go on throughout the week. Road stabilization of the subgrade will take place on Monday, 7/20.
• Coal Creek Drive roundabout – New concrete curb and gutter and sidewalk will be placed as well as concrete splitter islands for the new roundabout. Road stabilization of the subgrade at this intersection will take place on Friday, 7/24.
• S. Indiana Street – Bottom lift of pavement in the S. Indiana Street intersection to the Coal Creek Drive roundabout is scheduled to be placed Wednesday, 7/22.
• Crews continue extended and weekend hours, weather permitting – work is planned the S. 88th St. roundabout and the Coal Creek Drive roundabout on Saturday 7/18 from 8AM – 7PM (at the latest).
For Reliance Circle residents
Crews are reaching out directly to talk through local-only access and find the best ways to keep the households most affected by the closure informed.
Questions?
Contact the Public Works and Utilities team at (720) 738-7693 or at pwu@info.superiorcolorado.gov. The Town Projects website will be updated regularly through the closure.
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July 15, 2026 Update:
Starting July 15, Rock Creek Parkway will close between South Indiana Street and Enterprise Street; this includes the closure of South 88th Street up to Shamrock Drive. The closure allows crews to complete corridor improvements before Boulder Valley School District students return to school on Aug. 12.
Emergency services will continue to have access through the construction zone. If evacuation orders are issued, residents will be able to use emergency access points on Lanterns Lane at Promenade Drive, East Weldona Way at 88th Street, and through the construction zone as needed.
Closure details
- Rock Creek Parkway is closed between South Indiana Street and Enterprise Street in both directions.
- 88th Street is closed between Shamrock Drive and Rock Creek Parkway in both directions.
Map outlining closures on Rock Creek Parkway and 88th Street. Click on the image to enlarge.
Alternative routes
Driving?
- Rock Creek Parkway Closure: Use Coalton Road, McCaslin Boulevard, or South Indiana Street.
- 88th Street Closure: Use Coalton Road, McCaslin Boulevard, or West Dillon Road.
Walking or biking?
- Cross Rock Creek Parkway at South Indiana Street or Enterprise Street.
- Cross 88th Street at Shamrock Drive.
- There will be no pedestrian or bike access on sidewalks in the construction zone.
Riding the bus?
- RTD Route 228 detours on South Indiana Street and Coalton Road. Stops at South Indiana Street, South 88th Street, and Tyler Drive are closed in both directions.
Find more specific closure and detour details on the Town's Streets: Ownership, Snow Removal, and Construction Road Closures map. Select "Rock Creek Parkway Construction: Full Road Closure Starting 7/15” on the left menu bar.
For residents on Reliance Circle, a letter will be provided by July 15 outlining more specific detour options.
Additional Information
- Single-lane closures have been prioritized throughout construction to limit disruption. Combining the remaining phases into one closure is the fastest path to reopening before school starts.
- Message boards were updated last week to alert residents of the upcoming closures. Message boards will be updated to show the following along the Rock Creek Parkway corridor:
Rock Creek Parkway Full Closure
Indiana to Enterprise 7/15-8/11
No Access to 88th St
- An additional message board on 88th Street near Promenade Drive will show:
88th Street Full Closure
Shamrock to RCP 7/15-8/11
We appreciate your patience and cooperation as we complete these roadway improvements and work to reopen the road as quickly as possible. For questions, please contact Christine Katz at christinek@superiorcolorado.gov.