Much of the information is also available at Wikipedia, which has a road section, and may be more up- to- date. Any inquiries may be submitted via e- mail (see Question 1. September 2. 6, 2. If you are having trouble finding a subject in the table of contents below, a text search of this document may be helpful. Interstate 20 replaced much of the U.S. 80 corridor from west Texas to Cuba, Alabama. The freeway joins Atlanta, Birmingham, and Columbia, South Carolina in the. Are there plans for Interstates in Alaska or Puerto Rico? Are there any freeways in Alaska or Puerto Rico? What's up with I- 5. Spartanburg, SC? 6. Why is the Chicago Skyway no longer I- 9. The US-31 highway corridor connecting South Bend, Indiana with the Benton Harbor/St Joseph area in Berrien County via the cities of Niles and Berrien Springs. Interstate 68 is the 116-mile-long freeway from I-79 at Morgantown, West Virginia, to I-70 at Hancock, Maryland; and it is Appalachian Corridor E. Information on State Routes, US Highways, and Interstate Highways in California. What is misc.transport.road? Why does I- 1. 80 in IL exist? What happened to I- 2. Nashville? 6. 3. 1. Are Kentucky's parkways built to Interstate standards? Why do I- 1. 7's exit numbers start so high? What's with the I- 4. Indianapolis? Are these a danger to people with epilepsy? What do the signals look like in..? What are LED signals? What are countdown crosswalk signals? Are there audible crosswalk signals? Where is that upside- down signal? Is there a traffic signal sculpture? Where are there horizontal traffic signals? Ramp meters. 11. 1. Why can't I see the signal indication? Who invented the traffic light? Statewide exit numbering is a recent innovation in California. In February 2002, the state announced it would begin numbering nearly 6,000 exits on 92 freeways. Western Terminus: I-96/Jeffries Frwy at Exit 186B in northwest Detroit. Eastern Terminus: Cnr Davison Ave & Gallagher St, four blocks west of Conant in northern. What is the difference between permissive and protected left turns? I- 2. 35 may be called an even 3di. U. S. Route; as above, 2dus usually refers to all 1- and 2- digit mainlines. AADT = Average Annual Daily Traffic. Colorado = CDOT, New Hampshire = NHDOT). HOT = High Occupancy Toll lane, a tolled HOV lane (see next entry), sometimes derisively referred to as a . Information is available at http: //www. Common usage in m. Usually, these roads are filled with traffic lights, gas stations, fast food joints, etc. The original example is in Breezewood, Pennsylvania, where I- 7. US 3. 0 for a quarter mile where it meets the Pennsylvania Turnpike. Business routes generally have the same number of the main highway, but have special . Interstate business routes, for example, have special green shields, sometimes offset from the rest of a BGS by what MI's DOT calls an . Most interstate business routes are surface streets, usually old alignments of US highways. Some are freeways, like the I- 8. Sacramento (see http: //www. A list of Interstate business routes is at. U. S. Jul 1. 8, 2. Button copy is a term used to describe letters and characters on signs with several inlaid reflectors in them, providing better visibility at night. Jun 2. 7, 2. 00. 5Usually associated with the Interstate Highway system, a control city is usually identified as the city on a sign which drivers are most likely to be headed. They appear as the bottom city on distance signs, on . A complete list of control cities that AASHTO recommends for the Interstate system, as well as a more complete description, can be found at http: //home. The cities on the exit signs on freeways are often called control cities as well on the newsgroup, as are the signs that say . Louis; Los Angeles in the San Francisco Bay area; Manteo, NC on US 6. NC; Denver in eastern KS; and various large western U. S. 2. 00 (unincorporated, estimated by Rand Mc. Nally)Delaware Water Gap, PA (I- 8. Valley Forge, PA (I- 7. Hancock, MD (I- 7. New Stanton, PA (I- 7. Limon, CO (I- 7. 0): 2. Other notably small controls also appear elsewhere in PA as well as in CA and MS. Normally this is accompanied by downloading to the next lower government body, although sometimes it remains as a secret state route, or a US route becomes a state route. Interchanges are grade- separated intersections with one- way ramps connecting the two roads. A list is available at http: //web. It is used to find the information about an exit before one exits. Sometimes exit lists are also made for surface streets with some degree of access control (for example arterials with jughandles in New Jersey). They use maps and personal experience when creating the exit guide. A few state departments of transportation make bare- bones text exit lists. Most list the cities and towns the exit leads to. Nov 1. 8, 2. 00. 3All locations in North America unless otherwise specified. Petersburg, FLBasketweave: ON 4. Jane Street, Toronto. The Big I: I- 2. 5 @ I- 4. Albuquerque. The Big I: I- 1. I- 9. 5, Jacksonville. The Big Scramble: I- 2. I- 1. 24 (US 2. 7), Chattanooga, TNThe Big Split: I- 9. I- 4. 94 (W), Metro Minneapolis/St. Paul. The Big X: I- 7. I- 8. 0 (E), near Moline, IL (Metro Quad Cities, IL/IA)Blue Water Tower Interchange: I- 9. I- 2. 90, Metro Buffalo. Braintree Split: I- 9. US 1 @ MA 3, Braintree. Brookwood Interchange: I- 7. I- 8. 5 (north junction), Atlanta. Bruckner Interchange: I- 9. I- 2. 95 @ I- 2. 78 @ I- 6. New York. Can of Worms: I- 4. I- 5. 90/NY 5. 90, Rochester. Capitol Interchange: I- 3. E @ I- 9. 4, St. Paul. Circle Interchange: I- 9. I- 2. 90, Chicago. Cloverleaf: I- 7. I- 4. 80, Metro Cleveland. Crossroads of Mid- America: I- 5. I- 8. 0, Joliet, ILCrosstown Commons: MN 6. I- 3. 5W, Minneapolis. Dallas High 5: I- 6. US 7. 5, Dallas. Dead Man's Curve: I- 9. OH 2, Cleveland. Dead Man's Curve: I- 6. I- 7. 0 (north junction), Indianapolis. Decarie: A- 4. 0 @ A- 1. QC 1. 17, Montreal. East Los Angeles Interchange: I- 5, I- 1. US 1. 01 @ CA 6. 0, Los Angeles. Edens Junction: I- 9. I- 9. 4 (north split), Chicago. El Toro Y: I- 5 @ I- 4. Irvine, CA - its often- cited 2. Elkhorn Interchange: I- 5 @ CA 9. Metro Sacramento. Fish Bowl: I- 1. 5 @ I- 2. Las Vegas. Fishhook: CA 1 @ CA 1. Santa Cruz. Flying Wye: I- 8. I- 1. 84, Boise. Fountain Interchange: US 4. FL 8. 2, Ft. Myers. The 4- Level: US 1. I- 1. 10, Los Angeles (adjacent to the Slot on US 1. Freeman Interchange: QEW @ ON 4. ON 4. 07, Burlington. Golden Glades: I- 9. FL 8. 26, US 4. 41 and FL 9 @ Florida's Turnpike, North Miami Beach. Grandview Triangle: I- 4. US 7. 1 @ I- 4. 70, Kansas City. Halawa Interchange: H- 1 @ H- 3, Metro Honolulu. Henderson Spaghetti Bowl: I- 2. I- 5. 15 (UC), Metro Las Vegas. Highbridge Interchange: I- 8. I- 9. 5, New York. Hillside Strangler: I- 8. I- 2. 90 @ I- 2. 94, Metro Chicago. Jacques- Cartier: A- 2. QC 1. 32 and QC 1. Montreal. The Junction: I- 1. US 1. 31, Grand Rapids (See also 1. The Junction: I- 2. I- 4. 76, Metro Philadelphia. Kew Gardens Interchange: I- 6. Grand Central Pkwy @ Robinson Pkwy, New York. Lemoyne: QC1. 34 @ QC 1. QC 1. 16, Montreal. Mac. Arthur Maze (officially Distribution Structure): I- 8. I- 8. 0 @ I- 5. 80, Oakland. Malfunction Junction: I- 7. OH 4, Dayton. Malfunction Junction: I- 2. I- 4, Tampa. Malfunction Junction: I- 2. I- 6. 5, Birmingham (AL, US) (See also 1. Malfunction Junction (old): I- 4. I- 2. 75 (former I- 7. Knoxville. Malfunction Junction: I- 2. I- 1. 26, Columbia. Malfunction Junction: I- 4. I- 8. 5, Greensboro, NCThe Merge or The Split: I- 9. I- 5. 7, Chicago. The Merge: I- 9. 6 @ US 1. Grand Rapids. Midtown Interchange: I- 9. I- 3. 95, Miami. Mixing Bowl: I- 5 @ Atlantic Blvd., East Los Angeles. Mixing Bowl: I- 6. US 2. 4 and MI 1. Southfield (Metro Detroit)Mixing Bowl: I- 9. I- 9. 6/2. 75 @ I- 6. MI 5, Farmington Hills/Novi (Metro Detroit)Mixing Bowl (old): I- 3. VA 2. 7, Arlington. Mixing Bowl: I- 9. I- 4. 95 @ I- 3. 95, Springfield, VAMixmaster: I- 3. I- 3. 5E, Dallas. Mixmaster: I- 8. 4 @ CT 2, East Hartford (aka East Hartford Interchange)Mousetrap: I- 2. I- 7. 0, Denver. North Mixmaster: I- 3. I- 2. 35 (N), Des Moines. NW 2. 7th Interchange: I- 9. I- 1. 95, Miami. Oak Park Interchange: US 5. BL I- 8. 0 @ CA 9. Sacramento. The Octopus (intersection, extensively rebuilt 1. NY 1. 3 @ NY 1. 3A @ NY 7. NY 8. 9 @ NY 9. 6, Ithaca (4. Orange Crush: I- 5 and CA 2. CA 5. 7, Orange. Riverside Junction: I- 2. CA 6. 0 @ CA 9. 1, Riverside. St.- Hubert: QC 1. QC 1. 16, Montreal. San Bernardino Split: US 1. I- 1. 0, Los Angeles. Short Stack: I- 1. AZ- 5. 1 @ AZ- 2. Phoenix. The Split: I- 8. BR- 8. 0 and CA 2. Sacramento. The Split: See . More information is available at http: //www. Jersey. Some states use them only on Interstates; others put them on other routes as well. California restarts its mileposts (which it calls postmiles) at each county line, including interstates. Many other states do this too, but not for interstates. See also 1. 0. 3. When two routes . A wrong- way multiplex occurs when the 2 routes are signed in opposite directions (e. Louis, MO, and East St. Louis, IL (FHWA implies in its route log . They may be part of a cancelled or a future highway project. Also called Ghost Ramps. A special type is the Evel Knievel Ramp, which stops in mid- air. Super 4s are undivided 4- lane freeways. A Super 2 Expressway is a Super 2 with occasional at- grade intersections; some states call these Super 2s. A freeway that charges a toll. Some people on m. Lists of toll facilities are available at http: //www. In the 1. 80. 0s toll roads were known as Turnpikes (see http: //eh. Klein. Majewski. Turnpikes), a term which resurfaced in the middle of the 2. Century. Mar 8, 2. This is one of many Electronic Toll Collection agencies in North America. What is the difference between limited access and controlled access? A: According to AASHTO, a freeway is a fully controlled access road, one with no cross traffic. A freeway can be tolled; the . An expressway is a divided highway with no private access BUT occasional traffic lights are allowed; essentially it is a freeway with intersections, usually with traffic signals, in place of interchanges. Many states, including California and Wisconsin, use this. This FAQ does too. However, most east coast states plus others use expressway for the . Many of these states use the . There are two cases of an . OR actually uses both terms in different contexts (see Question 7. CA ( http: //groups. Jan 2. 8, 2. 00. 2Q: What is the difference between a traffic circle and a roundabout? A: Very generally, roundabouts are small circular roadways built for traffic flow improvement which are designed more meticulously than traffic circles, which sometimes are just the roadway around an obstruction rather than dedicated traffic control. Code ( http: //www. Code of Federal Regulations (U. S.) ( http: //www. Department of Transportation that administers funding for American highways, including the National Highway System (see Question 7. It also promotes safety on the highway system. Formerly known as AASHO.
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