All shipments that are oversize (and over 12 feet wide) being transported within the state of Mississippi are required to have signs. Sign dimensions will need to be at least 84 inches wide and 18 inches in height. All signs should have the words “OVERSIZE LOAD” on them and black letters that are at least 10 inches in height and 1 and 5/8 inches thick. All signs should have a yellow background with black letters. Red or orange fluorescent safety flags are required as well as and should be used on all four of the outer most extremities of the combination (front to rear) and mounted a minimum of 6 feet above pavement level. All safety flags should be minimum of 18 inches square in shape. If the shipment is in excess of 12 feet wide it is required to have flashing amber lights mounted on both sides of the rear extremities in all cases.
Pilot cars or escort vehicles (front of rear depends on route and lanes) will be required whenever the overall combined length of the shipment exceeds 95 feet. If the shipment is in excess of 105 feet overall you may be required to have 1 front lead pilot car and 1 rear chase escort vehicle depending on route.
Width: Over 10 feet wide anytime night travel is permitted requires 1 pilot car or escort vehicle. Over 12 feet and 11 inches requires 1 pilot car/escort vehicle. Over 13 feet wide requires 1 front lead pilot car on 2-lane roads or 1 rear chase escort vehicle on 4-lane roads.
Height: 15 feet and 6 inches (over 15 feet and 7 inches requires a route survey) may require 1 lead pilot car depending on desired route. A lead pilot car equipped with a height pole will be required for shipments in excess of 16 feet in height.
Notes: In some cases a rear escort can be eliminated by attaching 2 (5 inch) amber lights mounted on the rear of the shipment. If you plan to implement this option note that you are also required to have a monitoring device in the truck cab that confirms both amber light bulbs are in operation.
Mississippi law for pilot cars is very basic. We suggest you follow the federal pilot car and escort vehicle requirement guidelines but as of 2018 the requirements are as follows: A single motor vehicle equipped with a amber rotating or strobing light mounted at the top of the vehicle. Two red or range fluorescent safety flags mounted on the vehicle. A “OVERSIZE LOAD” mounted at either the top of the vehicle that does not obstruct view of the strobe/rotating amber light of a “OVERSIZE LOAD” sign mounted to the front when leading or rear when chasing (following) a oversized load. Signs must be covered when not in operation.
Daylight hours are define as 1/2 hour after sunrise and 1/2 hour before sunset. Travel is permitted on Saturdays with no travel at all permitted on Sunday. If your shipment is in excess of 12′ wide you may not travel on Saturday. You may not travel on the following holidays: New Years day, Memorial day, Independence day, labor day, Thanksgiving day and Christmas day. You may not move any later than 12 noon on any day that comes before one of these holidays. For shipments that are in excess of 12′ in width you are strongly encouraged to route your shipment around high traffic density areas and may not travel in areas of high traffic from 7 AM – 8:30 AM and again from 4:30 – 5: 30 PM with the exception of I-10 ( travel during these hours is permitted).
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