Night and Weekend Movement of Oversize/Overweight Loads (2021) / Chapter Skim
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11 Survey Results In order to understand permitting processes for OS and OW loads for night and weekend movements, a survey was created and states were invited to record their responses. The survey asked participants to share their name, title, and role within their organization.
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Not applicable No Routinely Permit OS Night Loads Yes Created with historicalmapchart.net Figure 4. States that routinely permit OS night loads.
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Not applicable No Routinely Permit OW Night Loads Yes Created with historicalmapchart.net Figure 6. States that routinely permit OW night loads.
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14 Night and Weekend Movement of Oversize/Overweight Loads Similar to the first section of the survey, if respondents replied that they did not routinely permit OW loads for nighttime movement, they were then asked if they ever permit these movements. Some states shared additional information to provide insights into these issuance practices.
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Survey Results 15 visibility conditions such as rain or fog. In Minnesota, travel hours are not restricted for OS/OW loads up to 14 ft 6 in.
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16 Night and Weekend Movement of Oversize/Overweight Loads OW loads for weekend movement, as shown in Figure 10 (two respondents left their answers to the relevant question blank)
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Not applicable No Routinely Permit OW Weekend Loads Yes Created with historicalmapchart.net Figure 10. States that routinely permit OW weekend loads.
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18 Night and Weekend Movement of Oversize/Overweight Loads States Permitting OS and OW Loads The maps in Figures 12 and 13 show states that permit both OS and OW loads for night movement. The following maps, in Figures 14 and 15, show states that permit both OS and OW loads for weekend movement.
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Not applicable No States that Ever Permit OS/OW Loads for Night Movement Yes Created with historicalmapchart.net Figure 13. States that ever permit OS/OW loads for night movement.
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Not applicable No States that Ever Permit OS/OW Loads for Weekend Movement Yes Created with historicalmapchart.net Figure 15. States that ever permit OS/OW loads for weekend movement.
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Survey Results 21 considers highway construction when lanes have to be shut down to get equipment into construction sites. Nevada also considers casino sign replacements or installations on the Las Vegas Strip, as cranes are often required.
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22 Night and Weekend Movement of Oversize/Overweight Loads movements, some loads may be better moved during weekends due to speed or size. Arizona DOT may also want these loads moving or continuing their travels instead of causing traffic disruption for regular commuter traffic.
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Survey Results 23 State Routine OS Night Permits Restrictions on OS Routine OW Night Permits Restrictions on OW AK Yes Municipal, route Yes AL No No AZ Yes Lighting, escorts, time limitations, municipal, route, seasonal/event, height Yes Overall weight, lighting, escorts, time limitations, municipal, seasonal/event CA Yes Time limitations, municipal Yes Overall weight, axle weight, time limitations, municipal, route, seasonal/event CO Yes Lighting, escorts Yes CT No No DE No No FL No No answer GA No No HI No No IA Yes Lighting, time limitations, route, height Yes Axle weight, lighting, time limitations, route IL No Answer No answer IN No No KS No Yes LA No No MD Yes Yes MI Yes Time limitations, seasonal/event Yes MN Yes Lighting, municipal, seasonal/event Yes Axle weight, seasonal/event MO No No MS No No MT Yes Yes NC No Yes Overall weight ND Yes Lighting, time limitations Yes NE No Yes NH No Yes NV Yes Lighting, escorts, time limitations, overhangs, height Yes Overall weight, escorts, time limitations, route NY Yes Lighting, escorts, time limitations, height Yes OH No Yes OK No Yes PA Yes Lighting, escorts, time limitations Yes Lights RI Yes Escorts, time limitations, Municipal, route, height Yes SC No No SD No Yes TX No Yes UT Yes Lighting, escorts, time limitations, height No VA No No answer VT Yes Seasonal/event Yes WA Yes Lighting, time limitations, height Yes WI Yes Lighting, time limitations, municipal, seasonal/event, height Yes WV No No Table 1. Restrictions on OS/OW night movements.
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24 Night and Weekend Movement of Oversize/Overweight Loads dimensions, Nevada DOT requires one pilot car in the front on all two- or three-lane highways. If the load is over 14 ft wide, 15 ft tall, 110 ft long, or has 15 ft of overhang, it can run during the day, but not at night.
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Survey Results 25 season restrictions as well. In New Hampshire, seasonal weight limits are imposed for spring thaw conditions.
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26 Night and Weekend Movement of Oversize/Overweight Loads State Routine OS Weekend Permits Restrictions on OS Routine OW Weekend Permits Restrictions on OW AK Yes Time limitations, municipal, route Yes AL No No AZ Yes Escort, time limitations, municipal, route, seasonal/event, height Yes Time limitations, municipal, route, seasonal/event CA Yes Escort, time limitations, municipal, route, seasonal/event, height Yes Escort, time limitations, municipal, route, seasonal/event CO Yes Yes CT Yes Time limitations, height Yes Overall weight, time limitations DE Yes Yes FL No answer No answer GA Yes Yes HI No No IA Yes Seasonal/event Yes IL No answer No answer IN No No KS Yes Yes LA Yes Municipal Yes Municipal MD Yes Yes MI Yes Time limitations, seasonal/event Yes Seasonal/event MN Yes Time limitations, Seasonal/event Yes MO Yes Yes MS No No MT Yes Yes NC Yes Yes ND Yes Time limitations Yes NE Yes Seasonal/event Yes NH No Yes NV Yes Overhang, height Yes Overall weight NY Yes Height Yes OH Yes Yes OK No Yes PA Yes Lighting Yes RI Yes Time limitations Yes Time limitations SC Yes Time limitations Yes SD Yes Yes TX Yes Time limitations Yes UT Yes Time limitations Yes VA No answer No answer VT Yes Seasonal/event Yes Overall weight WA Yes Yes WI Yes Time limitations, municipal, seasonal/event Yes Time limitations, municipal, seasonal/event WV Yes Yes Table 2. Restrictions on OS/OW weekend movements.
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Survey Results 27 metropolitan areas, which state that no OS travel is permitted on weekdays from 6 a.m.
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28 Night and Weekend Movement of Oversize/Overweight Loads In Kansas, thresholds are based on size and weight, but not on night or weekend requests. Wisconsin DOT requires enhanced reviews for loads over 14 ft wide, over 16 ft high, over 150 ft long, or over 270,000 pounds.
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Survey Results 29 Closing Observations Lastly, participants were asked to provide any additional observations on night and weekend movements and were asked to indicate if they would be willing to provide additional information as part of a case example interview on these topics (81.6% indicated "Yes," while 18.4% indicated "No")
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30 Night and Weekend Movement of Oversize/Overweight Loads Delaware DOT has offered after-hour envelope vehicle moves for several years. The industry has not really taken advantage of travel between 9 p.m.
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