The American Driver
From Drivers - For Drivers
Wyoming Driver Services
State Police:
 307-777-4321
emergency cell# - 911
 Website
Vehicle Registration:
 307-777-4829
307-777-4772  fax
 Website
IRP:
 307-777-4829
307-777-4772  fax
Issued at Ports of Entry, highway patrol,
and highway maintenance shops.  Must
purchase permit at first Port of Entry after
entry.
 Website
Trip Permits:
 307-777-4896  (IFTA)
307-777-4829  (IRP)
  
Operating Authority:
 307-777-4850
307-777-4772  fax
Issued at Ports of Entry, highway patrol,
and highway maintenance shops.  Must
purchase permit at first Port of Entry after
entry.
 Website
SSRS:
 Non-participant
  
Fuel Tax:
 307-777-4826
 Website
IFTA:
 307-777-4827
Issued at Ports of Entry, highway patrol,
and highway maintenance shops.  Must
purchase permit at first Port of Entry after
entry.
  
Overweight - Oversized Permits:
 307-777-4376
307-777-4399  fax
 Website
Hazardous Materials:
 307-777-4317
 Website
Hazardous Waste:
 307-777-4301
 Website
Radioactive Material:
 307-777-4301
 Website
Hazardous Spill Reporting:
 307-777-7781
  
Area Codes
Tandem Setting
307
 No Kingpin Requirements
For Interstate Routes
Legal Weight Limits For Interstate Routes and Access Thereto
Steering Axle
Single Axle
Tandem Axle
Gross Vehicle Weight
20,000 lb.
 20,000 lb.
 36,000 lb.
 117,000 lb. (1)
(1)  Must have enough axles to comply with the Federal bridge formula