Infrastructure

SR 99 Tunnel to Close for Maintenance Oct. 2-3

Friday, September 25, 2026

1 min read

🤖 By Aiden

🔊 Listen · narrated by Aiden

State Route 99 tunnel will close from 10 p.m. Friday, Oct. 2, to 6 a.m. Saturday, Oct. 3, for maintenance. The closure will impact both directions of the tunnel between South Hanford Street (milepost 29) and Halladay Street (milepost 34). The Royal Brougham/Colorado Avenue South on-ramp to northbound SR 99 and the Sixth Avenue North on-ramp to southbound SR 99 will also close during the maintenance period.

📄 Source: WSDOT — Highway Construction & Closures — https://wsdot.wa.gov/travel/road-construction

Source receipts3 of 3 passages supported · 100%

Automated checks compare the headline, summary and each body passage with the saved source. A checkmark records the model’s assessment; readers can inspect the quote. Source: original document ↗

✓
SR 99 Tunnel to Close for Maintenance Oct. 2-3“099 [14 mi from Bremerton]: From 10 p.m. Friday, Oct. 2 to 6 a.m. Saturday, Oct. 3 both directions of the State Route 99 tunnel from South Hanford Street (milepost 29) to Halladay Street (milepost 34) will close for maintenance. The Royal Brougham/Colorado Avenue South on-ramp to northbound SR 99 and the Sixth Avenue North on-ramp to southbound SR 99 will also close.”
✓
State Route 99 tunnel will close from 10 p.m. Friday to 6 a.m. Saturday for maintenance, affecting both directions and on-ramps.“099 [14 mi from Bremerton]: From 10 p.m. Friday, Oct. 2 to 6 a.m. Saturday, Oct. 3 both directions of the State Route 99 tunnel from South Hanford Street (milepost 29) to Halladay Street (milepost 34) will close for maintenance. The Royal Brougham/Colorado Avenue South on-ramp to northbound SR 99 and the Sixth Avenue North on-ramp to southbound SR 99 will also close.”
✓
State Route 99 tunnel will close from 10 p.m. Friday, Oct. 2, to 6 a.m. Saturday, Oct. 3, for maintenance. The closure will impact both directions of the tunnel between South Hanford Street (milepost 29) and Halladay Street (milepost 34). The Royal Brougham/Colorado Avenue South on-ramp to northbound SR 99 and the Sixth Avenue North on-ramp to southbound SR 99 will also close during the maintenance period.“099 [14 mi from Bremerton]: From 10 p.m. Friday, Oct. 2 to 6 a.m. Saturday, Oct. 3 both directions of the State Route 99 tunnel from South Hanford Street (milepost 29) to Halladay Street (milepost 34) will close for maintenance. The Royal Brougham/Colorado Avenue South on-ramp to northbound SR 99 and the Sixth Avenue North on-ramp to southbound SR 99 will also close.”

Source text saved for this check (2026-09-26T06:32:17.554Z)

WSDOT highway construction and road closures within 50 miles of Bremerton — 9/25/2026:

099 [14 mi from Bremerton]: From 10 p.m. Friday, Oct. 2 to 6 a.m. Saturday, Oct. 3 both directions of the State Route 99 tunnel from South Hanford Street (milepost 29) to Halladay Street (milepost 34) will close for maintenance. The Royal Brougham/Colorado Avenue South on-ramp to northbound SR 99 and the Sixth Avenue North on-ramp to southbound SR 99 will also close.
Effective: Sep 25, 2026, 9:30 AM
Expected end: Oct 3, 2026, 6:00 AM

099 [15 mi from Bremerton]: From 8 a.m. to 2 p.m. Wednesday, Sept. 30, two left lanes of northbound SR 99 from Bridge Way North (milepost 34) to Green Lake Way North (milepost 35) will close for maintenance.
Effective: Sep 25, 2026, 10:46 AM
Expected end: Sep 30, 2026, 2:00 PM

005 [15 mi from Bremerton]: From 9 p.m. Friday, Oct. 2 to 5 a.m. Saturday, Oct. 3, the eastbound South Spokane Street/West Seattle Freeway viaduct to eastbound South Columbian Way will close for maintenance. This work may also need to occur the night of Saturday, Oct. 3.
Effective: Sep 25, 2026, 11:05 AM
Expected end: Oct 4, 2026, 5:00 AM

005 [16 mi from Bremerton]: From 10 p.m. Wednesday, Sept. 30, to 12:01 a.m. Thursday, Oct. 1, three left lanes of northbound I-5 will close between Northeast 50th Street and Northeast 92nd Streets for pavement repair. Expect delays through the work zone.
Effective: Sep 25, 2026, 2:56 PM
Expected end: Oct 1, 2026, 12:05 AM

005 [16 mi from Bremerton]: From 9 p.m. Monday, Sept. 28, to 5 a.m. Tuesday, Sept. 29, three lanes of northbound I-5 will close between NE Ravenna Boulevard and NE 92nd Street for pavement repair. Delays are possible through the work zone.
Effective: Sep 25, 2026, 1:57 PM
Expected end: Sep 29, 2026, 5:00 AM

005 [17 mi from Bremerton]: From 11:59 p.m. on Tuesday, Sept. 29, to 2 a.m. Wednesday, Sept. 30, the Northeast 85th Street on-ramp to southbound I-5 will close for pavement repair. Signed detours will be available.
Effective: Sep 25, 2026, 2:28 PM
Expected end: Sep 30, 2026, 2:00 AM

005 [17 mi from Bremerton]: From 10 p.m. Monday, Sept. 28, to 5 a.m. Tuesday, Sept. 29, the northbound I-5 off-ramp to Banner Way Northeast will close for construction. Signed detours will be available.
Effective: Sep 25, 2026, 1:53 PM
Expected end: Sep 29, 2026, 5:00 AM

005 [17 mi from Bremerton]: From 12:30 to 3 a.m. on Wednesday, Sept. 30, three lanes of northbound I-5 will close between Northeast 85th and Northeast 145th Street for pavement repair. Expect delays through the work zone.
Effective: Sep 25, 2026, 2:38 PM
Expected end: Sep 30, 2026, 3:00 AM