<<

INNOVATIVE INTERSECTIONS Continuous Green-T (CGT)

A CGT IS ALSO KNOWN AS:

„„ Turbo-T

„„ High-T Intersection

US 40 (Columbia Pike) at Rivers Edge , Columbia, MD „„

What is a CGT? When should a CGT What are the „„ Intersection design where be considered? benefits of a CGT? one major direction „„ At intersections with three legs „„ Improved safety: of travel (the top side of the „„ At intersections with heavy of left- “T”) can pass through the through volumes turn vehicles from the side intersection without stopping on the major street street reduces the potential and the opposite major street for angle crashes direction of travel is typically „„ At intersections with moderate „„ Increased efficiency: Because controlled by a traffic signal to low left-turn traffic volumes on the side street one direction of travel on the „„ Left-turn vehicles from the side major street is free-flow, more „„ At intersections where there are street use a channelized receiving green time can be provided to no driveways along the major on the major street to the other movements, reducing street opposite the side street merge onto the major street delay at the intersection „„ At intersections with a limited „„ Intersection is typically signalized „„ Free-flow in one direction: number of pedestrian crossings but can also be designed One direction of travel on across the major street or without a traffic signal the major street never stops, with an alternative pedestrian which improves traffic signal crossing location nearby synchronization and reduces corridor travel times

What are innovative intersections? Intersection designs where traffic movements are modified to improve safety, reduce delay, and increase efficiency.  Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS Navigating a Continuous Green-T (CGT)

ǦǦDepending on their level of comfort, qAt CGTs, crosswalks are not provided cyclists may navigate the intersection qacross the major street. To cross the using vehicle or pedestrian paths major street, pedestrians may use the nearest marked crosswalk (not shown) h To turn left from the side street, ääTo continue straight on huse the channelized lane to merge the top of the “T”, pass onto the major street through the intersection

OP From the major street, qPedestrians use marked crosswalks navigate the intersection qto safely cross the side street like at a conventional intersection ggFrom the side street, turn right like at a conventional intersection NOT TO SCALE

 Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS Restricted Crossing U-Turn (RCUT)

AN RCUT IS ALSO KNOWN AS:

„„ Intersection

„„ J-turn Intersection

„„ Reduced Conflict Intersection (RCI)

Highway 9 E at Liberty Church Road, Loris, SC „„ Synchronized Street Intersection

What is an RCUT? When should What are the benefits „„ Intersection design where an RCUT be of an RCUT? all side street movements considered? „„ Improved safety: Reduces the begin with a right turn „„ On median-divided highways number of points where vehicles „„ Side street left-turn and cross paths and eliminates the „„ At intersections with heavy through vehicles turn right and potential for head-on crashes through and/or left-turn traffic make a u-turn at a dedicated volumes on the major street „„ Increased efficiency: Each downstream median opening to direction of the major street can „„ At intersections with low complete the desired movement operate independently creating through and left-turn traffic „„ Main intersection and median two one-way and increasing volumes on the side street u-turns can be designed as the overall intersection capacity „„ At intersections with signalized, stop controlled, „„ Shorter wait times: Fewer traffic three or four legs or yield controlled signal phases means less stopping for mainline vehicles and right turns only from the side street vehicles means less time waiting

„„ Cost-effective: A RCUT can be more cost-effective than adding to improve capacity What are innovative intersections? Intersection designs where traffic movements are modified to improve safety, reduce delay, and increase efficiency.  Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS Navigating a Restricted Crossing U-Turn (RCUT)

ǦǦDepending on their level of comfort, cyclists may navigate the intersection qPedestrians use marked using vehicle or pedestrian paths qcrosswalks to safely cross the intersection ääTo continue straight on the side street, turn right onto the major To make a left turn from the side h street, make a u-turn, and turn hstreet to the major street, turn right onto the side street right onto the major street, make a u-turn, and continue straight

OP From the major street, To turn right from the side navigate the intersection g gstreet, turn right like at a like at a conventional conventional intersection intersection

Note: For simplicity, only two directions of traffic NOT TO SCALE are shown. Opposing traffic follows similar routes.

 Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS

Roundabouts are not the same as neighborhood traffic circles. Typically, are larger and designed for higher speeds than Givens Lane at Progress Street, Blacksburg, VA neighborhood traffic circles.

What is a When should a What are the benefits roundabout? roundabout be of a roundabout? „„ A circular unsignalized considered? „„ Improved safety: Reduces the number intersection where „„ At intersections with heavy of points where vehicles can cross all traffic moves in a left-turn traffic or with similar paths and eliminates the potential for counterclockwise direction traffic volumes on each leg right-angle and head-on crashes around a central island „„ At intersections with crashes „„ Increased efficiency: Yield- „„ Traffic entering the involving conflicting through controlled design means fewer roundabout slows down and left-turn vehicles stops, less delay, and shorter queues and yields to traffic already for overall improved efficiency „„ At intersections with limited inside the roundabout room for storing vehicles „„ Safer Speeds: Promotes lower „„ Roundabouts can be vehicle speeds, which gives „„ At intersections where there designed with one or drivers more time to react are limited nearby driveways more circulating lanes „„ Long-term cost effective: No traffic „„ At locations where vehicles „„ Design options allow for right signal equipment means lower long-term from adjacent intersections will turns to be channelized to costs for operations and maintenance not queue into the roundabout bypass the circulating lanes „„ Aesthetics: Creates opportunities for landscaping and beautification

What are innovative intersections? Intersection designs where traffic movements are modified to improve safety, reduce delay, and increase efficiency.  Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS Navigating a Roundabout

ǦǦDepending on their level of comfort, cyclists may navigate the intersection using vehicle or pedestrian paths

h To turn left, exit honto the third leg qPedestrians use marked qcrosswalks to safely cross the intersection

äTo go straight, exit Before entering the ä onto the second leg roundabout, look left, and yield to traffic in the roundabout

g To turn right, exit gonto the first leg

Note: For simplicity, only one direction of traffic is shown. Traffic on other NOT TO SCALE roundabout legs follow similar routes.

 Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS Median U-Turn (MUT)

AN MUT IS ALSO KNOWN AS:

„„ -Turn Intersection

„„ Median U-Turn Crossover

„„

„„ Michigan Loon

Poplar Tent Road at Derita Road, Concord, NC „„ ThrU-Turn Intersection

What is an MUT? When should an What are the „„ Intersection design where MUT be considered? benefits of an MUT? left-turn vehicles from one or „„ On median divided highways „„ Improved safety: Reduces the both make u-turns at „„ At intersections with moderate number of points where vehicles dedicated median openings to to heavy through traffic cross paths and decreases the complete the desired movement volumes and low to moderate potential for right-angle crashes „„ Intersection can be designed left-turn traffic volumes „„ Increased efficiency: with median u-turns on „„ At intersections with Eliminates left-turn movements one or both roads three or four legs from the main intersection „„ Median u-turns can be allowing for fewer traffic designed as signalized, stop signal phases, which reduces controlled, or yield controlled delay and increases capacity „„ Shorter wait times: Fewer traffic signal phases means less time stopping at the main intersection

„„ Cost effective: An MUT can be more cost-effective than adding lanes to increase capacity What are innovative intersections? Intersection designs where traffic movements are modified to improve safety, reduce delay, and increase efficiency.  Visit www.virginiadot.org/innovativeintersections to learn more. INNOVATIVE INTERSECTIONS Median U-Turn (MUT)

ǦǦDepending on their level of comfort, h To make a left turn cyclists may navigate the intersection hfrom the major street using vehicle or pedestrian paths to the side street, go h To make a left turn straight through the hfrom the side street to main intersection, the major street, turn qPedestrians use marked make a u-turn, and right onto the major qcrosswalks to safely turn right onto the street, make a u-turn, cross the intersection side street and continue straight

P To continue straight ggTo turn right from the side and turn right from the street, turn right like at a major street, navigate conventional intersection the intersection like at a conventional intersection ääTo continue straight on the side street, navigate the intersection like at a conventional intersection

Note: For simplicity, only two directions of traffic NOT TO SCALE are shown. Opposing traffic follows similar routes.

 Visit www.virginiadot.org/innovativeintersections to learn more.