Heavy Haul Routes California: Oversize Load Permits Guide (2018)
Planning heavy haul transport through California? This guide covers the best routes for oversize load transport, oversize load permits, heavy haul trucking corridors, and OSOW routing considerations. California has specific permit requirements and weight restrictions that vary by state compared to neighboring states.
California Legal Limits for Oversize Loads
Before planning your route, understand California's legal limits:
Width Limits
- Standard legal limits: 8'6" wide
- Any load that exceeds 8'6" requires special permits
- Loads over 12 feet wide require escort vehicles
- Wide load or oversize load signs mandatory for permitted moves
Weight Height Restrictions
- Weight restrictions vary by axle configuration
- Maximum weight height considerations for bridges
- Weight limitations posted on specific routes
- States require compliance with federal bridge formula
Length Limits
- Standard legal length varies by trailer type
- Oversized load permits needed for extended lengths
- Travel restrictions apply to loads over 75 feet
Primary Heavy Haul Corridors in California
Interstate Routes for Oversize Load Transport
- I-5: Primary north-south corridor with routes planned for heavy haul
- I-10: East-west route with posted weight restrictions
- I-15: Desert corridor with fewer travel restrictions
- State highways for rural oversize load access
Routes Planned for Wide Loads
- Caltrans designated wide load corridors
- Pre-approved routes with verified clearances
- Alternative routes planned around urban areas
California Oversize Load Permits
Single Trip Permits
- Special permits for individual moves
- Oversize load permits valid for specific routes
- Permit requirements include detailed load specifications
Annual Permits
- Repetitive move special permits available
- Reduced permit requirements for recurring routes
- States require different documentation for annual permits
When Pilot Cars Are Required
California states require pilot cars for:
- Loads over 12 feet wide - one escort vehicles required
- Loads over 14 feet wide - two pilot cars required
- Any load that exceeds 100 feet in length
- Oversized load moves during restricted hours
Escort Vehicle Requirements
- Escort vehicles must display flags and lights
- Amber rotating beacons and flags and lights visible
- Pilot cars equipped with "OVERSIZE LOAD" signs
- Two-way radio communication between all escort vehicles
Known Restrictions for Oversize Load Escort
Height Clearance Survey Requirements
- Bridge clearances vary by state and route
- Always verify with current route survey service data
- Urban areas have lower clearances requiring high pole escort vehicles
Weight Restrictions for Heavy Haul Trucking
- Seasonal weight restrictions (spring thaw) affect heavy haul transport
- Bridge weight limitations for overweight permit loads
- Local road weight restrictions for specialized transportation
Professional Route Survey Services
Before any major heavy haul move, consider a professional route survey:
- Height clearance survey and vertical clearance check
- Verify width limits along entire route
- Construction zone updates for OSOW routing
- Alternative route planning with routes planned in advance
2018 Route Conditions in California
Steel tariff concerns affected heavy haul routing:
- Construction projects impacting oversize load transport
- New travel restrictions for wide load transportation
- Updated permit requirements for specific corridors
Heavy Haul Route Planning Tips
- Confirm all permit requirements before departure
- Verify weight restrictions on planned route
- Have backup routes planned for heavy haul dispatch
- Ensure pilot cars have proper flags and lights
- Know width limits and legal limits for each state
- Coordinate with local authorities for superload escort vehicles
Professional Heavy Haul Services in California
Need heavy haul transport California? AUMOR Inc provides:
- Route survey service for oversize load planning
- Certified pilot cars for heavy haul escort
- Oversize load permits coordination and OSOW routing services
- Escort vehicles with proper flags and lights