What is the greatest distance between roadways of a divided highway?
The roadways of Trans Canada 1 near Ernfold, SK are separated by about 4km (2.5 miles) (50.47,-106.81 ; http://saskhighways.homestead.com/transcanada/hwy1/Chwy1.html ), one of two wide splits in the area. In the US, the roadways of I-24/US-41/64 just south of Monteagle, TN are separated by more than a mile (1.6 km) in places as they navigate around Monteagle Mountain (35.2,-85.81). Nov 12, 2007 12.7 Q: What was that old bridge that shook itself apart? A: “Galloping Gertie” was a bridge on WA 16 across the Tacoma Narrows in Tacoma which, due to its poor design, allowed the crosswinds to twist it apart. For more information see http://www.wsdot.wa.gov/TNBhistory/ and http://www.phenry.org/wsh/sr16.html. Nov 1, 2002 12.8 Q: What is a suicide lane? A: Throughout time, there have been various definitions: 1. A (two-way) center left-turn lane 2. In the early 20th Century, a center lane of three in rural areas which traffic going in either direction could use to pass (these were mostly obsole
