SacCity street design for transit

Part of an ongoing series of posts to support better streets in the City of Sacramento during their 2023 update of Street Design Standards. New standards must be innovative, safe, and equitable, and it will take strong citizen involvement and advocacy to make them so.

The purpose of designing streets for transit is to actively shift trips away from private motor vehicles and to transit. Most arterial streets in the city should have dedicated bus rapid transit design, and any street with more than one general purpose lane per direction should have a dedicated bus lane, with red paint.

  • Transit Street Design Guide will be used along with close collaboration with the transit agency to determine optimal and innovative street designs supportive of transit
  • Dedicated bus lanes will be provided on all 15-minute frequency bus routes on streets over one lane per direction
  • Light rail will be given exclusive right-of-way on streets with three or more lanes existing; and considered for streets with two or more lanes existing
  • Bus bays which force buses to pull out of and into traffic will not be used, except where the transit agency has identified the need to wait for a timed stop or to layover
  • Curb extensions may be lengthened to provide in-lane bus boarding
  • Dedicated bus lanes shared with bicyclists will be used only when high quality bicycle facilities on an immediately parallel street are not available, or to solve right-of-way issues of one block or less
  • Bus routes with 15-minute or better frequency, and light rail, will have transit signal priority at all intersections

Design diagrams will be developed in cooperation with the transit agency:

  • Bus stops, including stop amenities, with preservation of sidewalk passage
  • Concrete bus pads to lessen pavement deterioration
  • Bus boarding extensions on streets without bike facilities
  • Bus boarding islands with bicycle facilities behind, including design features that slow bicyclist traffic behind the island to prioritize walkers
  • Raised platforms for low floor or level boarding of light rail vehicles
  • Bus rapid transit streets, including potential raised platforms

J Street Safety Improvments

The City of Sacramento is going to use street rehabilitation funds (from SB-1) to create a separated bikeway on J Street between 19th and 30th, starting this summer. The city held a public meeting last night (January 25) to gather public comments on the design elements, which have not been finalized.

I like the proposal, and see it as a significant improvement over what is there now. The general purpose travel lanes would be reduced by one, from three to two, while bike facilities would be increased from zero to one. The separated bikeway, also called a cycle track or protected bike lane (separated bikeway is the correct term in California) would be installed along the right side of the one-way street. The project will improve pedestrians safety by shortening the crossing distance over general purpose lanes, but this is more a traffic calming and bike facility project than a pedestrian project. This project is intended to be a “paint only” project that fits with the funds available. Improvements needing concrete would come later, if at all. The separated bikeways would be “protected” with flexible delineator posts between the parking lane and the bikeway, which provides increased safety but not full protection.

Though the diagrams shown last night indicate that bus stops would be at the existing curb, and the bikeway with green paint would swing around the bus stop to the left, it appears that the city is rethinking that and will use a shared bus/bike lane for the length of the bus stop. There is talk of moving bus stops to better locations, and perhaps reducing the number of stops for better service times. The only bus currently using J Street is SacRT Route 30, which has a 15 minute frequency on weekday day times, 30 minute evenings and Saturdays, and 60 minute Sundays. This is a route whose ridership probably justifies 10 minute frequency day times.

The intersections will be daylighted by removing the parking spaces that currently are right up against the crosswalks and reduce visibility between drivers and pedestrians. I completely support that and feel that the safety benefits make the loss of a few parking spaces worthwhile. I’m not against on-street parking, in fact I like it because it slows traffic, but safety is even more important.

I would like to recommend some improvements to the project as presented:

  • Reduce lane widths from 11 feet to 10 feet. This is the most important action that could be taken to enhance safety. The best action for pedestrian and bicyclist safety is to #SlowTheCars (@StrongTowns). The narrower the lanes, the slower the traffic, and the slower the traffic, the less severe collisions that do occur, and the less collisions. The city currently has an 11 foot standard they don’t seem ready to change, but what better time than now to create a significant project with narrower lanes, so we can directly experience the safety benefits.
  • Reduce the speed limit to 20 mph, and stripe the street in a way that encourages this actual speed. Again, the city is reluctant to go below 25, but there is a growing national movement to 20 mph in urban areas. Goes hand-in-hand with the lane width reduction, and is very inexpensive to implement.
  • Stripe the separated bikeway and street in such a way that the shared bus/bike lane at bus stops can be converted to floating bus islands with the bike lane at the curb. This configuration keeps the bus in the flow of traffic, which greatly speeds bus times as they don’t have to wait for a gap in traffic to continue. I do not know how wide the islands need to be to accommodate bus shelters, but am looking into that and will report. Another advantage of the lane width narrowing is that it would provide another two feet for the islands. The separated bikeway “lane” is seven feet, and that seems fine to me. Since this is a “paint only” project, concrete bus islands would delay it for additional finding, which I don’t want to see, but the design should be ready for bus islands as soon as they can be funded.
  • Reduce the number of bus stops to one every three or four blocks. The increase in service speed makes the greater walking distance worthwhile, and since the walking environment will be more appealing and safer, this is a good trade-off.

The meeting last night was the only formal opportunity to have input to this project, but I encourage you to email Jennifer Donlon-Wyant with support for the project, for these improvements I’ve presented, or you own ideas. You can also comment here, but emailing Jennifer is the first step.