Streets & Highways

Commercial Avenue Roundabout

Managing heavy commercial traffic while improving intersection safety is a major challenge for government agencies. Our latest project involved constructing a modern roundabout at the intersection of SR 203 and High Rock Road to improve traffic safety and efficiency. This expertly constructed commercial roundabout accommodated large vehicles while maintaining optimal traffic flow.

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Owner

Washington State Department of Transportation

Location

Snoqualmie, Washington

Contract

$2,800,000

Completed

September 2023

Project Scope

The Washington State Department of Transportation undertook a $2.8 million project in Snoqualmie, Washington, to address safety and traffic inefficiencies at the intersection of SR 203 and High Rock Road. Completed on September 15, 2023, the project involved constructing a modern commercial roundabout designed to improve traffic flow and enhance safety for both standard and heavy commercial vehicles. Leveraging advanced engineering and site-development expertise, the roundabout was tailored to accommodate large vehicles while maintaining optimal traffic flow. This solution successfully resolved the agency's challenges, resulting in a safer, more efficient intersection for all road users.

Commercial Avenue Roundabout

Managing heavy commercial traffic while improving intersection safety is a major challenge for government agencies. Our latest project involved constructing a modern roundabout at the intersection of SR 203 and High Rock Road to improve traffic safety and efficiency. This expertly constructed commercial roundabout accommodated large vehicles while maintaining optimal traffic flow.

Project Overview

The Client: The Washington State Department of Transportation is a government agency focused on maintaining safe and efficient public roadways.

The Challenge: The agency faced safety issues and traffic-flow inefficiencies at a busy intersection, which affected its ability to safely accommodate standard and heavy commercial traffic.

The Solution: We provided complete commercial roundabout construction, leveraging our expertise in advanced engineering and site development to address their unique safety and traffic volume needs.

The Result: Through our tailored approach, the agency achieved a fully operational intersection, demonstrating measurable improvements in commercial-vehicle navigation and overall traffic safety.

The Client

The Washington State Department of Transportation operates in the public works sector, specializing in highway and infrastructure management. With a mandate to ensure safe travel across the state, they needed a partner who understood the complexities of high-traffic intersections and could deliver results that aligned with their strategic safety objectives. Their commitment to public safety and reliable transportation made them an ideal fit for our collaborative approach.

The Challenge

• When the Washington State Department of Transportation approached us, they were struggling with three primary issues.

Traffic flow issues: The high-traffic intersection caused severe bottlenecks, delaying local and commercial transit times.

Safety concerns: The standard intersection design increased the risk of collisions, endangering public safety.

Commercial accessibility: Oversized semi-trucks struggled to navigate the existing roads, creating hazards for passenger vehicles.

These challenges were preventing them from maintaining safe roadways, creating a sense of urgency for a reliable, expert solution that could deliver results without disrupting their operations.

Commercial Avenue Roundabout

The Solution

Our team developed a customized strategy tailored to the Washington State Department of Transportation's needs.

Discovery and planning

We began with a comprehensive assessment of the intersection, identifying key opportunities and potential obstacles to accommodating commercial vehicles. This allowed us to create a detailed project plan with clear milestones and deliverables. For any heavy civil construction project, early coordination on environmental permits and traffic control plans is crucial to avoid schedule delays.

Implementation

Leveraging our thirty-five years of expertise in site development and infrastructure, we implemented a comprehensive roundabout construction plan. Our approach included three main components.

• Advanced engineering design: We constructed specialized mountable curbs on the roundabout islands to allow large commercial vehicles to navigate safely.

• Comprehensive roadway reconstruction: We implemented drainage improvements, installed signage, and applied pavement markings to ensure long-term durability.

• Traffic control management: We coordinated closely with state officials to minimize traffic disruption during all construction phases.

Ongoing support

Throughout the project, we maintained transparent communication with regular progress updates. Our team remained flexible, adapting our approach as needed to ensure optimal outcomes and strict regulatory compliance.

The results

Our partnership with the Washington State Department of Transportation delivered measurable success.

Improved safety: We significantly reduced the potential for collisions at the busy intersection.

Enhanced traffic flow: We established a smooth circulating roadway that prevents high-traffic bottlenecks.

Commercial accommodation: We successfully enabled safe navigation for large semi-trucks alongside standard passenger vehicles.

These outcomes exceeded initial projections and positioned the local infrastructure for continued growth and success in their market.

Local service area

SRV Construction, based in Oak Harbor, WA, specializes in site development, infrastructure, and heavy civil construction. We serve commercial, industrial, and residential clients primarily in Washington State and the Pacific Northwest. Key projects include road improvements, utilities, and lift or pump stations.

Summary

Accommodating oversized commercial vehicles while maintaining efficient traffic flow requires precise engineering and an experienced contractor. By implementing a modern roundabout with mountable curbs, SRV Construction successfully transformed the SR 203 intersection into a safe, efficient route for all drivers. Our proven track record and transparent process ensure your public works projects are completed on time and within budget. You can read more about our infrastructure capabilities on our Road and Highway Improvements page.

Testimonial

“We knew the Commercial Avenue roundabout project would be a tough challenge, but partnering with SRV Construction made all the difference. Their deep expertise in site development helped us navigate tricky groundwork and active traffic conditions with complete ease. Building a roundabout requires exact precision, and the SRV crew hit every mark. Under Steve's leadership, they operated as a trusted partner. They kept the local community safe, communicated clearly with our team, and delivered smart solutions to keep us on schedule. — Lead City Engineer, Commercial Ave. Projects

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