Ac c e ss Ma na g e me nt
Wha t is Ac c e ss Ma na g e me nt?
Crash rate indices increase as # of access points per mile increases Crash Index: Ratio of crashes to 5 Access Points per Mile 4.1 4 2.8 3 2.1 1.7 2 1.3 1 1 0 10 20 30 40 50 60
CONF L I CT S (and don’t forget pedestrian and bicycle movements too!)
Wha t is Ac c e ss Ma na g e me nt? Ac c e ss Ma na g e me nt is a pro a c tive ma na g e me nt o f ve hic ula r a c c e ss po ints T o la nd pa rc e ls a dja c e nt to a ll ma nne r o f ro a dwa ys. • Ac c e ss Spa c ing : I nc re a sing dista nc e b e twe e n tra ffic sig na ls impro ve s T ra ffic flo w o n ro a ds, re duc e s c o ng e stio n, impro ve s a ir q ua lity a nd SAF E T Y. • Drive wa y Spa c ing : F e we r drive wa ys spa c e d furthe r a pa rt is g o o d (le ss de c isio ns) • Sa fe T urning L a ne s: De dic a te d le ft & rig ht-turn, indire c t le ft-turns, U-T urns a nd ro unda b o uts ke e p tra ffic flo wing . • Me dia n T re a tme nts: T wo -Wa y L e ft-T urn L a ne s (T WL T L ) a nd no n-tra ve rsa b le , ra ise d me dia ns a re e xa mple s o f e ffe c tive me a ns to re g ula te a c c e ss a nd re duc e c ra she s. • Rig ht-o f-Wa y Ma na g e me nt: R/ W a s it pe rta ins to future wide ning s, g o o d sig ht dista nc e , a c c e ss lo c a tio ns. Re la tio nships: F HWA > NDOT (the o ry, g uida nc e , imple me nta tio n) NDOT > NHP (pra c tic a l, wha t wo rks, wha t is e nfo rc e a b le ) NDOT > L o c a l Pa rtne rs (wha t’ s pra c tic a l & wha t wo rks)
1 2 3
Othe r Co nside ra tio ns: Spe e ds Ge ne ra lly: 50 mph to 80 mph Spe e ds Ge ne ra lly: 25 mph to 49 mph Spe e ds Ge ne ra lly: 25 mph to 35 mph Spe e ds (L imits) a re a ma jo r fa c to r (de sig n to slo w fo lks do wn o r e nfo rc e me nt)
Appro ve d “Co unte rme a sure s”
Va st Ma jo rity o f Our “Co unte rme a sure s” I nvo lve U-T urns: Co rrido r L e ve l I nte rse c tio n L e ve l
Va st Ma jo rity o f Our “Co unte rme a sure s” I nvo lve U-T urns: I nte rse c tio n L e ve l Cro ss-Ove r Ba se d: Dive rg ing I nte rse c tio n Cro sso ve r I nte rse c tio n Hig h “T ” I nte rse c tio n
We ne e d to wo rk to g e the r o n wha t wo rks fo r us! Disc ussio ns: U-T urn Ba se d So lutio ns Cro ss-o ve r Ba se d So lutio ns
Pyr amid Highway (SR 445) Dolor e s Dr ive to L a Posada Dr ive
Sa mple Arte ria l Hig hwa y With AADT 46,000 vpd in 2018 w/ 55 mph Spe e d L imit
RT C Conc e pt ~<- 810’- > ~<- 1,260’- > ~<- 1,100’- > ~<- 1,500’- > Pr opose d Conc e pt SR 445 Pyra mid Hig hwa y 2018 AADT 35,000 (c urre nt spe e d limit 55 mph) E stima te d 2040 AADT ~ 45,000 vpd
Recommend
More recommend
