TJKM has conducted studies on all of the major freeways within the nine-county San Francisco Bay Area and many freeways in the Central Valley since 1974. We provide study and design services for freeways using the latest in computer modeling technology. Our engineers thoroughly analyze existing and forecasted conditions to determine the best strategies for improving freeway congestion and safety.

We offer the following services:

• Development and calibration of freeway models
• Corridor planning, including freeway operations analysis and optimization of freeway management
• Microsimulation
• PSR / PR for freeways, interchanges, and arterials
• Traffic / Construction zone management

Relevant Projects

• I-580 HOV Lane Corridor Study, Alameda County
• Stanisulaus County_Sperry Avenue at I-5 Interchange
• Bay Area Toll Authority (BATA) Toll Bridge Operations Support
• Fresno–Madera Interchange Deficiency Study, Fresno County
• I–680 / I–880 Cross Connector Study, Santa Clara and Alameda Counties
• I–680 Major Investment Study, Santa Clara, Alameda, and Contra Costa Counties
• I–580 / I–205 Altamont Corridor Strategies Study, Alameda and San Joaquin Counties
• I–880 HOV Lane Widening Project, Santa Clara County
• I–880 Traffic Operations Study “Mini–Cornerstone”, Alameda County
• US 101 Improvements Alternatives Analysis, San Mateo County
• Traffic Study of Low-Cost Alternatives for Existing State Route 237 / I–880 Interchange, Santa Clara County
• Traffic and Trend Analysis of Existing Conditions on US 101, Santa Clara County
• 5th Avenue Overhead Seismic Retrofits for I–880 Downtown Oakland, Alameda County
• Benicia–Martinez Bridge Traffic Study, Solano County
• Air Quality Modeling, HOV Master Plan, San Francisco Bay Area