Greetings all,
I am working on a list/map of unconventional interchanges and intersections in Maryland for MDOT SHA. Unconventional interchanges include SPUI, diverging diamond, double roundabout, etc.
I've put a map together of the 40 that I am aware of. Can anyone here think of any that I missed? Here's the list. Map link above.
Grade-separated & SignalizedSingle Point Urban Interchange1. I-695 & MD 140, Pikesville
2. MD 100 & MD 170, Severn
3. US 29 & Cherry Hill Rd., Silver Spring
4. MD 337 & MD 5, Camp Springs
5. MD 200 & MD 650, Colesville
Single Loop Interchange1. MD 140 & MD 940, Owings Mills
Tight Diamond Interchange1. MD 32 & MD 108, Columbia
2. MD 100 & Coca Cola Dr., Hanover
Diverging Diamond Interchange1. MD 295 & Arundel Mills Blvd, Hanover
Grade-separated & UnsignalizedDouble Roundabout Interchange1. MD 100 & MD 103, Elkridge
2. US 29 & MD 216, Scaggsville
At-grade & SignalizedJughandle Intersection1. Hanover St. / Cromwell St., Baltimore
Superstreet Intersection1. MD 3 & Waugh Chapel Rd., Odenton
Continuous Flow Intersection1. MD 210 & MD 228, Accokeek
2. US 1 & MD 200(to be opened in 2014)
Continuous Green-T Intersection1. US 40 & Enchanted Forest, Ellicott City
2. US 29 & Rivers Edge Rd., Columbia
3. MD 139 & Chestnut Ave., Towson
4. MD 100 & US 1, Elkridge
At-grade & UnsignalizedMaryland J-turn Intersection1. US 15 & Hayward Rd., Frederick
2. US 15 & Willow Rd., Frederick
3. US 15 & Biggs Ford Rd., Frederick
4. US 15 & Sundays Ln., Frederick
5. US 15 & College Ln., Emmitsburg
6. US 15 & Old Frederick Rd., Emmitsburg
7. US 301 & Main St. Queenstown
8. US 301 & Del Rhodes Ave., Queenstown
9. US 301 & Ruthsburg Rd., Centreville
10. US 301 & Sudlersville Rd., Sudlersville
11. US 301 & McGinnes Rd., Millington
12. US 301 & Galena Rd., Galena
Maryland T Intersection1. MD 235 & MD 6, Mechanicsville
2. US 50 & Carmichael Rd., Queenstown
3. MD 5 & Gallant Green Rd., Hughesville
4. MD 5 & Old Leonardtown Rd., Hughesville
5. Arundel Mills Circle & Mills Dr., Hanover
Modern Painted Roundabout1. US 50 & Thompson Creek Rd., Stevensville
My source data is mainly from 2016 so there could be some new ones around the state.
Thank you!
-Elliott Plack
Consultant for MDOT