third & fourth streets traffic calming study presentation to transportation commission may 14,...
TRANSCRIPT
Study Objectives
• Traffic Calming – reduce speeds to 25 mph• Improve mobility and safety• Maintain or improve operating conditions
Traffic Signal at Fourth & AlamedaPros Cons
Provides breaks in Fourth Street traffic which would aid north/south crossings
Provides protected north/south crossing at Alameda Boulevard
Provides protected pedestrian crossings across both Fourth Street and Alameda Boulevard
If combined and sequenced with other downstream signals, signal progression could be set to move vehicle platoons at 25 mph
Alameda Boulevard is classified as a Minor Arterial
May receive neighborhood opposition
Some consider signals unsightly and too “urbanistic” for Coronado’s small town atmosphere
May cause additional delay on NASNI
Was previously rejected by City Council
Raised Crosswalks with Rapid Flashing Beacons on Fourth Street at I & H Avenues
Pros Cons
Improves pedestrian visibility
Designed for 25 mph speed
Narrows roadway and distance pedestrians must cross
Creates additional noise
Design must consider drainage
May lose on-street parking spaces
Not well received by motorists with low profile vehicles
Fourth & Iand
Fourth and H
Intersection Modifications to Palm/G Avenues at Fourth Street
Pros Cons
Creates a standard four leg intersection with standard 90 degree angles
Reduces/eliminates pedestrian crossing distance of Palm Avenue
Provides additional opportunity for landscaping
Lessens vehicle exposure to the adjacent park
Reduces turning speeds onto/off of Palm Avenue
Prevents access across Fourth Street from Palm Avenue in both directions
Design alters access to some private residences
Traffic Signal at Fourth Street and F Avenue
Pros Cons Provides breaks in Fourth
Street traffic which would aid north/south crossings
Provides protected north/south crossing at F Avenue
Provides protected pedestrian crossings across both Fourth Street and F Avenue, a designated school crossing
If combined and sequenced with other downstream signals, signal progression could be set to move platoons of vehicles at 25 mph
May receive neighborhood opposition
Some consider signals unsightly and too “urbanistic” for Coronado’s small town atmosphere
F Avenue is classified as a local street
Keep Clear Pavement MarkingsPros Cons
Reminds motorists to keep the intersection clear
Provides better north/south access during most congested periods
Considered by some as unsightly and unnecessary
Fourth & D
Curb Extensions at Fourth Street and C Avenue
Pros Cons
Improves visibility of the pedestrian
Shortens the distance pedestrian must cross while exposed to traffic
Narrows the roadway which can slow traffic
May eliminate on-street parking
Design must consider drainage
Fourth & C
Traffic Signal at Fourth Street and B Avenue
Pros Cons
Provides breaks in Fourth Street traffic which would aid north/south crossings
Provides protected north/south crossing at B Avenue
Provides protected pedestrian crossings across both Fourth Street and B Avenue
If combined and sequenced with other downstream signals, signal progression could be set to move platoons at 25 mph
B Avenue is classified as a Collector Street
Strong neighborhood opposition
Some consider signals unsightly and too “urbanistic” for Coronado’s small town atmosphere
May increase traffic on B Avenue (projected at 1350 vehicles per day +/- between Third and Fourth Streets, 350+/- vehicles north of Third and 1000 vehicles +/- south of Fourth Streets )
Curb Extensions at Fourth Street and A Avenue
Pros Cons
Improves visibility of the pedestrian
Shortens the distance pedestrian must cross while exposed to traffic
Narrows the roadway which can slow traffic
May eliminate on-street parking
Design must consider drainage
Fourth Street at A Avenue
Speed Tables on Fourth Street between A and Pomona Avenues
Pros Cons Designed for 25 mph speed Creates additional noise
Not well received by motorists with low profile vehicles
Fourth Street between A and
Pomona Avenue
Curb Extensions on Pomona Avenue at Fourth Street
Pros Cons
Improves visibility of the pedestrian
Shortens the distance pedestrian must cross while exposed to traffic
Narrows the roadway which can slow traffic
Reduces turning speed from Fourth Street onto Pomona Avenue
Provides a pedestrian refuge
May eliminate on-street parking
Design must consider drainage
Pomona Avenue and Fourth Street
Traffic Signal & Cul-de-Sac at Glorietta
Pros Cons
Provides bridge access to the northeast quadrant of the City including Tidelands Park, Marriott Hotel and the Coronado Hospital
Signal timing could be adjusted for weekend volumes
Glorietta Boulevard is classified as a Collector Street
May cause increased traffic on Second Street and Glorietta Boulevard (projected at 1450 vehicles per day +/- on Second Street and 1600 vehicles per day +/- on Glorietta Blvd.)
Some consider signals
unsightly and too “urbanistic” for Coronado’s small town atmosphere
May have neighborhood opposition
Affects access to private property
Traffic Circle at Third/Glorietta
Pros Cons
Controls traffic speeds along Glorietta Boulevard with stopping all vehicles
Somewhat removed from the corridor
Speed Table on Pomona Avenue between Fourth Street and Glorietta Boulevard
at the split
Pros Cons
Designed for 25 mph speed Creates additional noise
Not well received by motorists with low profile vehicles
Pomona Avenue at the split
Speed Table on Fourth Street between A & Pomona Avenues
Pros Cons
Designed for 25 mph speed Creates additional noise
Not well received by motorists with low profile vehicles
Fourth Street east of A Avenue
Intersection Modifications to Glorietta Place at Pomona Avenue
Pros Cons
Shortens the distance pedestrian must cross Glorietta Place while exposed to traffic
Narrows the roadway which can slow traffic
Reduces turning speed from Pomona Avenue onto Glorietta Place
Alters driveway access to three properties placing them onto the heavily traveled state highway
Glorietta Place at Pomona Avenue
Modifications to A Avenue at Pomona Avenue
Pros Cons
Eliminates the fast turning movement from Pomona Avenue to A Avenue
Eliminates queueing from Fourth Street back to Pomona Avenue
Motorist will likely take B Avenue as an alternative; increasing volumes on B between Third and Fourth Streets
A Avenue at Pomona Avenue
Modifications to Pomona Avenue / Third Street Intersection
Pros Cons
Eliminates the unorthodox maneuver of making a left turn onto B Avenue from Third Street (City controlled section)
Eliminates lane conflicts with the motorists crossing Third Street (SR-75) at B Avenue
Eliminates entering the state highway with poor visibility due to the acute angle of intersection from the City controlled section of Third Street
Increase traffic volumes on A Avenue and Glorietta Boulevard
Makes alley in the 200 Block between A & B Avenues one-way
Third Street and Pomona Avenue
Traffic Signal on Third Street at B Avenue
Pros Cons
Provides breaks in Fourth Street traffic which would aid north/south crossings
Provides protected north/south crossing at B Avenue
Provides protected pedestrian crossings across both Fourth Street and B Avenue
If combined and sequenced with other downstream signals, signal progression could be set to move platoons at 25 mph
B Avenue is classified as a Collector Street
Strong neighborhood opposition
Some consider signals unsightly and too “urbanistic” for Coronado’s small town atmosphere
May increase traffic on B Avenue (350+/- vehicles north of Third)
Keep Clear Pavement Markings
Pros Cons
Reminds motorists to keep the intersection clear
Provides better north/south access during most congested periods
Considered by some as unsightly
Third Street at C Avenue
Speed Table on Third Street west of D Avenue
Pros Cons
Designed for 25 mph speed
Creates additional noise
Not well received by motorists with low profile vehicles
Traffic Signals on Third Street at F Avenue
Pros Cons
Provides breaks in Third Street traffic which would aid north/south crossings
Provides protected north/south crossing at F Avenue
Provides protected pedestrian crossings across both Third Street and F Avenue a designated school crossing
If combined and sequenced with other downstream signals, signal progression could be set to move platoons at 25 mph
May receive neighborhood opposition
Some consider signals unsightly and too “urbanistic” for Coronado’s small town atmosphere
May increase traffic on F Avenue
(projected at 150 vehicles per day +/-)
F Avenue is classified as a local street
Traffic Signal on Third Street at H Avenue
Pros Cons
Provides breaks in Third Street traffic which would aid north/south crossings
Provides protected north/south crossing at H Avenue
Provides protected pedestrian crossings across both Third Street and H Avenue, a frequent school crossing
If combined and sequenced with other downstream signals, signal progression could be set to move platoons at 25 mph
H Avenue is classified as a Collector Street
May receive neighborhood opposition
Some consider signals unsightly and too “urbanistic” for Coronado’s small town atmosphere
May increase traffic on H Avenue (projected at 150 vehicles per day +/-)
Intersection Modification on Palm Avenue at Third Street
Pros Cons
Creates a standard four legged intersection at 90 degree angles
Reduces/eliminates pedestrian crossing distance of Palm Avenue
Provides additional opportunity for landscaping
Lessens vehicle exposure to the adjacent park
Reduces turning speeds onto/off of Palm Avenue
Possible increase of on-street parking
Prevents access across Fourth Street from Palm Avenue
Design alters access to some private residences
Raised Crosswalks with Rapid Flashing Beacons at Third and I
Pros Cons
Improves pedestrian visibility
Designed for 25 mph speed
Narrows roadway and distance pedestrians must cross
Creates additional noise
Design must consider drainage
May lose on-street parking spaces
Third Street at I Avenue