Colorado (CO) Pilot Car & Escort Vehicle Requirements

Escort requirements, travel restrictions, and signage rules for oversize/overweight loads in Colorado.

Legal Dimensions — Colorado

Max Width
8'6"
Max Height
14'6"
Max Length
57'4"
Gross Weight
80,000 lbs
Front Overhang
3'0"
Rear Overhang
4'0"

Interstate Escort Requirements

Width

Min WidthMax Width EscortsPositionNotes
8'7" 13'0" 0 Permit required, no escort
13'1" 15'0" 1 Rear 1 rear escort or flashing light on 2-lane
15'1" 20'0" 2 Front + Rear 2 escorts or 1 front + light

Height

Min HeightMax Height EscortsPositionNotes
14'7" 16'0" 0 Permit required. Eisenhower Tunnel max 13'11".
16'1" 17'6" 1 Front High pole required
Height pole required
17'7" 20'0" 1 Front Route survey + utility clearance letters required
Height pole required

Length

Min LengthMax Length EscortsPositionNotes
57'5" 85'0" 0 Permit required
85'1" 115'0" 1 Rear 1 escort on some highways
115'1" 200'0" 1 Rear 1 escort on 4-lane

Overhang

Min OverhangMax Overhang EscortsPositionNotes
25'1" 40'0" 1 Rear

Non-Interstate / State Road Escort Requirements

Width

Min WidthMax Width EscortsPositionNotes
8'7" 13'0" 0 Permit required
13'1" 15'0" 1 Rear 1 rear escort or flashing light on 2-lane
15'1" 20'0" 2 Front + Rear 2 escorts or 1 front + light

Height

Min HeightMax Height EscortsPositionNotes
13'1" 16'0" 0 13' legal on non-designated highways
16'1" 17'6" 1 Front High pole required
Height pole required
17'7" 20'0" 1 Front Route survey + utility clearance letters
Height pole required

Length

Min LengthMax Length EscortsPositionNotes
57'5" 85'0" 0 Permit required
85'1" 110'0" 1 Rear 1 escort on 2-lane
110'1" 200'0" 1 Rear

Overhang

Min OverhangMax Overhang EscortsPositionNotes
25'1" 40'0" 1 Rear

Travel Restrictions

Standard Hours
Sunrise to sunset for loads over 12' wide. Night travel under 12' wide with lighting.
Night Travel
Under 12' wide with proper lighting only
Weekend Travel
Standard daylight travel
Holiday Restrictions
No travel on major holidays
Urban Restrictions
Eisenhower Tunnel: max 13'11" height, over 11' wide must get clearance. Denver requires separate city permit.

Signage & Flag Requirements

Oversize Load Sign
Required on oversize loads
Flags
Standard flags at extremities
Additional Notes
All pilot cars must be over 60" wide for Colorado
Disclaimer: These regulations are for informational purposes only. Always verify with the Colorado Department of Transportation before moving any oversize/overweight load. Regulations change frequently.

Moving an Oversize Load Through Colorado?

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