posted on Interstates 10, 12, 20, 49, 55, 59, 220, and 310. A speed limit of 60 mph is posted on I-10 in Lake Charles, Baton Rouge, and from LaPlace to New Orleans, I-12 in Baton Rouge, I-20 in Shreveport and Monroe, I-49 in Alexandria and Shreveport, I-220 in Shreveport, US 71 and US 167 in Kingsville, LA 3132, and I-110, I-210, I-510, I-610, and I-910 (note: part of I-10 in Baton Rouge was raised to 70 mph, and part of I-12 in Baton Rouge was also raised to 65 mph). Most two-lane highways in Louisiana have a maximum speed limit of 55 mph. In August 2003, Governor Mike Foster announced speed and lane restrictions on trucks on the stretch of I-10 known as the Atchafalaya Swamp Freeway. The restrictions lower the truck speed limit to 55 mph and restrict them to the right lane for the entire length of the elevated freeway. Other laws There are exceptions to the basic highway and speed laws Divided highways in rural areas have a 65 mph speed limits. Louisiana law R.S. 32:61(B) & 32:62(A) states;65 mph on other multi-lane divided highways which have partial or no control of access. Louisiana operates under the reasonable and prudent basic law;No person shall drive a vehicle at a speed greater than is reasonable and prudent under the conditions and potential hazards then existing, having due regard for the traffic on, and the surface and width of, the highway, and the condition of the weather. R.S. 32:64(A) A person, who is operating a motor vehicle on a multilane highway at less than the normal speed of traffic, shall drive in the right-hand lane then available for traffic. R.S. 32:71(B)(1) Maine Maine carries the highest speed limit on the East Coast, with Interstate 95 carrying a limit between Old Town and Houlton. Sections of I-95 south of Old Town as well as half of I-295 carry limits, except for brief zones in more populated areas. The Saco stub I-195 is , and I-395 is in Bangor and in Brewer. Default speed limits in Maine are: in a school zone within 30 minutes of the beginning or end of the school day or whenever/wherever children are present near an intersection "when the operator's view is obstructed", unless right-of-way is given via signage in business or residential districts, or other built-up areas on county roads on other roads In